20121016400

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{1013}}^1$

素因数の和:1198

約数の個数: 240

約数和(自身を含む): 53883408384

約数和(自身を除く): 33762391984

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 25, 34, 40, 46, 50, 68, 80, 85, 92, 100, 115, 127, 136, 170, 184, 200, 230, 254, 272, 340, 368, 391, 400, 425, 460, 508, 575, 635, 680, 782, 850, 920, 1013, 1016, 1150, 1270, 1360, 1564, 1700, 1840, 1955, 2026, 2032, 2159, 2300, 2540, 2921, 3128, 3175, 3400, 3910, 4052, 4318, 4600, 5065, 5080, 5842, 6256, 6350, 6800, 7820, 8104, 8636, 9200, 9775, 10130, 10160, 10795, 11684, 12700, 14605, 15640, 16208, 17221, 17272, 19550, 20260, 21590, 23299, 23368, 25325, 25400, 29210, 31280, 34442, 34544, 39100, 40520, 43180, 46598, 46736, 49657, 50650, 50800, 53975, 58420, 68884, 73025, 78200, 81040, 86105, 86360, 93196, 99314, 101300, 107950, 116495, 116840, 128651, 137768, 146050, 156400, 172210, 172720, 186392, 198628, 202600, 215900, 232990, 233680, 248285, 257302, 275536, 292100, 344420, 372784, 396083, 397256, 405200, 430525, 431800, 465980, 496570, 514604, 582475, 584200, 643255, 688840, 792166, 794512, 861050, 863600, 931960, 993140, 1029208, 1164950, 1168400, 1241425, 1286510, 1377680, 1584332, 1722100, 1863920, 1980415, 1986280, 2058416, 2187067, 2329900, 2482850, 2573020, 2958973, 3168664, 3216275, 3444200, 3960830, 3972560, 4374134, 4659800, 4965700, 5146040, 5917946, 6337328, 6432550, 6888400, 7921660, 8748268, 9319600, 9902075, 9931400, 10292080, 10935335, 11835892, 12865100, 14794865, 15843320, 17496536, 19804150, 19862800, 21870670, 23671784, 25730200, 29589730, 31686640, 34993072, 39608300, 43741340, 47343568, 50302541, 51460400, 54676675, 59179460, 73974325, 79216600, 87482680, 100605082, 109353350, 118358920, 147948650, 158433200, 174965360, 201210164, 218706700, 236717840, 251512705, 295897300, 402420328, 437413400, 503025410, 591794600, 804840656, 874826800, 1006050820, 1183589200, 1257563525, 2012101640, 2515127050, 4024203280, 5030254100, 10060508200, 20121016400]

約数ペア:

[(1, 20121016400), (2, 10060508200), (4, 5030254100), (5, 4024203280), (8, 2515127050), (10, 2012101640), (16, 1257563525), (17, 1183589200), (20, 1006050820), (23, 874826800), (25, 804840656), (34, 591794600), (40, 503025410), (46, 437413400), (50, 402420328), (68, 295897300), (80, 251512705), (85, 236717840), (92, 218706700), (100, 201210164), (115, 174965360), (127, 158433200), (136, 147948650), (170, 118358920), (184, 109353350), (200, 100605082), (230, 87482680), (254, 79216600), (272, 73974325), (340, 59179460), (368, 54676675), (391, 51460400), (400, 50302541), (425, 47343568), (460, 43741340), (508, 39608300), (575, 34993072), (635, 31686640), (680, 29589730), (782, 25730200), (850, 23671784), (920, 21870670), (1013, 19862800), (1016, 19804150), (1150, 17496536), (1270, 15843320), (1360, 14794865), (1564, 12865100), (1700, 11835892), (1840, 10935335), (1955, 10292080), (2026, 9931400), (2032, 9902075), (2159, 9319600), (2300, 8748268), (2540, 7921660), (2921, 6888400), (3128, 6432550), (3175, 6337328), (3400, 5917946), (3910, 5146040), (4052, 4965700), (4318, 4659800), (4600, 4374134), (5065, 3972560), (5080, 3960830), (5842, 3444200), (6256, 3216275), (6350, 3168664), (6800, 2958973), (7820, 2573020), (8104, 2482850), (8636, 2329900), (9200, 2187067), (9775, 2058416), (10130, 1986280), (10160, 1980415), (10795, 1863920), (11684, 1722100), (12700, 1584332), (14605, 1377680), (15640, 1286510), (16208, 1241425), (17221, 1168400), (17272, 1164950), (19550, 1029208), (20260, 993140), (21590, 931960), (23299, 863600), (23368, 861050), (25325, 794512), (25400, 792166), (29210, 688840), (31280, 643255), (34442, 584200), (34544, 582475), (39100, 514604), (40520, 496570), (43180, 465980), (46598, 431800), (46736, 430525), (49657, 405200), (50650, 397256), (50800, 396083), (53975, 372784), (58420, 344420), (68884, 292100), (73025, 275536), (78200, 257302), (81040, 248285), (86105, 233680), (86360, 232990), (93196, 215900), (99314, 202600), (101300, 198628), (107950, 186392), (116495, 172720), (116840, 172210), (128651, 156400), (137768, 146050)]