20694294400

素因数分解:

$2^7\times 5^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{3917}}^1$

素因数の和:4081

約数の個数: 192

約数和(自身を含む): 55501447680

約数和(自身を除く): 34807153280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 127, 128, 130, 160, 200, 208, 254, 260, 320, 325, 400, 416, 508, 520, 635, 640, 650, 800, 832, 1016, 1040, 1270, 1300, 1600, 1651, 1664, 2032, 2080, 2540, 2600, 3175, 3200, 3302, 3917, 4064, 4160, 5080, 5200, 6350, 6604, 7834, 8128, 8255, 8320, 10160, 10400, 12700, 13208, 15668, 16256, 16510, 19585, 20320, 20800, 25400, 26416, 31336, 33020, 39170, 40640, 41275, 41600, 50800, 50921, 52832, 62672, 66040, 78340, 81280, 82550, 97925, 101600, 101842, 105664, 125344, 132080, 156680, 165100, 195850, 203200, 203684, 211328, 250688, 254605, 264160, 313360, 330200, 391700, 406400, 407368, 497459, 501376, 509210, 528320, 626720, 660400, 783400, 814736, 994918, 1018420, 1056640, 1253440, 1273025, 1320800, 1566800, 1629472, 1989836, 2036840, 2487295, 2506880, 2546050, 2641600, 3133600, 3258944, 3979672, 4073680, 4974590, 5092100, 5283200, 6267200, 6466967, 6517888, 7959344, 8147360, 9949180, 10184200, 12436475, 12534400, 12933934, 15918688, 16294720, 19898360, 20368400, 24872950, 25867868, 31837376, 32334835, 32589440, 39796720, 40736800, 49745900, 51735736, 63674752, 64669670, 79593440, 81473600, 99491800, 103471472, 129339340, 159186880, 161674175, 162947200, 198983600, 206942944, 258678680, 318373760, 323348350, 397967200, 413885888, 517357360, 646696700, 795934400, 827771776, 1034714720, 1293393400, 1591868800, 2069429440, 2586786800, 4138858880, 5173573600, 10347147200, 20694294400]

約数ペア:

[(1, 20694294400), (2, 10347147200), (4, 5173573600), (5, 4138858880), (8, 2586786800), (10, 2069429440), (13, 1591868800), (16, 1293393400), (20, 1034714720), (25, 827771776), (26, 795934400), (32, 646696700), (40, 517357360), (50, 413885888), (52, 397967200), (64, 323348350), (65, 318373760), (80, 258678680), (100, 206942944), (104, 198983600), (127, 162947200), (128, 161674175), (130, 159186880), (160, 129339340), (200, 103471472), (208, 99491800), (254, 81473600), (260, 79593440), (320, 64669670), (325, 63674752), (400, 51735736), (416, 49745900), (508, 40736800), (520, 39796720), (635, 32589440), (640, 32334835), (650, 31837376), (800, 25867868), (832, 24872950), (1016, 20368400), (1040, 19898360), (1270, 16294720), (1300, 15918688), (1600, 12933934), (1651, 12534400), (1664, 12436475), (2032, 10184200), (2080, 9949180), (2540, 8147360), (2600, 7959344), (3175, 6517888), (3200, 6466967), (3302, 6267200), (3917, 5283200), (4064, 5092100), (4160, 4974590), (5080, 4073680), (5200, 3979672), (6350, 3258944), (6604, 3133600), (7834, 2641600), (8128, 2546050), (8255, 2506880), (8320, 2487295), (10160, 2036840), (10400, 1989836), (12700, 1629472), (13208, 1566800), (15668, 1320800), (16256, 1273025), (16510, 1253440), (19585, 1056640), (20320, 1018420), (20800, 994918), (25400, 814736), (26416, 783400), (31336, 660400), (33020, 626720), (39170, 528320), (40640, 509210), (41275, 501376), (41600, 497459), (50800, 407368), (50921, 406400), (52832, 391700), (62672, 330200), (66040, 313360), (78340, 264160), (81280, 254605), (82550, 250688), (97925, 211328), (101600, 203684), (101842, 203200), (105664, 195850), (125344, 165100), (132080, 156680)]