20189355680

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{38671}}^1$

素因数の和:38950

約数の個数: 96

約数和(自身を含む): 51572360448

約数和(自身を除く): 31383004768

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 251, 260, 416, 502, 520, 1004, 1040, 1255, 2008, 2080, 2510, 3263, 4016, 5020, 6526, 8032, 10040, 13052, 16315, 20080, 26104, 32630, 38671, 40160, 52208, 65260, 77342, 104416, 130520, 154684, 193355, 261040, 309368, 386710, 502723, 522080, 618736, 773420, 1005446, 1237472, 1546840, 2010892, 2513615, 3093680, 4021784, 5027230, 6187360, 8043568, 9706421, 10054460, 16087136, 19412842, 20108920, 38825684, 40217840, 48532105, 77651368, 80435680, 97064210, 126183473, 155302736, 194128420, 252366946, 310605472, 388256840, 504733892, 630917365, 776513680, 1009467784, 1261834730, 1553027360, 2018935568, 2523669460, 4037871136, 5047338920, 10094677840, 20189355680]

約数ペア:

[(1, 20189355680), (2, 10094677840), (4, 5047338920), (5, 4037871136), (8, 2523669460), (10, 2018935568), (13, 1553027360), (16, 1261834730), (20, 1009467784), (26, 776513680), (32, 630917365), (40, 504733892), (52, 388256840), (65, 310605472), (80, 252366946), (104, 194128420), (130, 155302736), (160, 126183473), (208, 97064210), (251, 80435680), (260, 77651368), (416, 48532105), (502, 40217840), (520, 38825684), (1004, 20108920), (1040, 19412842), (1255, 16087136), (2008, 10054460), (2080, 9706421), (2510, 8043568), (3263, 6187360), (4016, 5027230), (5020, 4021784), (6526, 3093680), (8032, 2513615), (10040, 2010892), (13052, 1546840), (16315, 1237472), (20080, 1005446), (26104, 773420), (32630, 618736), (38671, 522080), (40160, 502723), (52208, 386710), (65260, 309368), (77342, 261040), (104416, 193355), (130520, 154684)]