20171282720

素因数分解:

$2^5\times 5^1\times {\mathrm{53}}^1\times {\mathrm{431}}^1\times {\mathrm{5519}}^1$

素因数の和:6018

約数の個数: 96

約数和(自身を含む): 48675271680

約数和(自身を除く): 28503988960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 80, 106, 160, 212, 265, 424, 431, 530, 848, 862, 1060, 1696, 1724, 2120, 2155, 3448, 4240, 4310, 5519, 6896, 8480, 8620, 11038, 13792, 17240, 22076, 22843, 27595, 34480, 44152, 45686, 55190, 68960, 88304, 91372, 110380, 114215, 176608, 182744, 220760, 228430, 292507, 365488, 441520, 456860, 585014, 730976, 883040, 913720, 1170028, 1462535, 1827440, 2340056, 2378689, 2925070, 3654880, 4680112, 4757378, 5850140, 9360224, 9514756, 11700280, 11893445, 19029512, 23400560, 23786890, 38059024, 46801120, 47573780, 76118048, 95147560, 126070517, 190295120, 252141034, 380590240, 504282068, 630352585, 1008564136, 1260705170, 2017128272, 2521410340, 4034256544, 5042820680, 10085641360, 20171282720]

約数ペア:

[(1, 20171282720), (2, 10085641360), (4, 5042820680), (5, 4034256544), (8, 2521410340), (10, 2017128272), (16, 1260705170), (20, 1008564136), (32, 630352585), (40, 504282068), (53, 380590240), (80, 252141034), (106, 190295120), (160, 126070517), (212, 95147560), (265, 76118048), (424, 47573780), (431, 46801120), (530, 38059024), (848, 23786890), (862, 23400560), (1060, 19029512), (1696, 11893445), (1724, 11700280), (2120, 9514756), (2155, 9360224), (3448, 5850140), (4240, 4757378), (4310, 4680112), (5519, 3654880), (6896, 2925070), (8480, 2378689), (8620, 2340056), (11038, 1827440), (13792, 1462535), (17240, 1170028), (22076, 913720), (22843, 883040), (27595, 730976), (34480, 585014), (44152, 456860), (45686, 441520), (55190, 365488), (68960, 292507), (88304, 228430), (91372, 220760), (110380, 182744), (114215, 176608)]