812735680

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{81929}}^1$

素因数の和:81977

約数の個数: 56

約数和(自身を含む): 1997781120

約数和(自身を除く): 1185045440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 81929, 163858, 327716, 409645, 655432, 819290, 1310864, 1638580, 2539799, 2621728, 3277160, 5079598, 5243456, 6554320, 10159196, 12698995, 13108640, 20318392, 25397990, 26217280, 40636784, 50795980, 81273568, 101591960, 162547136, 203183920, 406367840, 812735680]

約数ペア:

[(1, 812735680), (2, 406367840), (4, 203183920), (5, 162547136), (8, 101591960), (10, 81273568), (16, 50795980), (20, 40636784), (31, 26217280), (32, 25397990), (40, 20318392), (62, 13108640), (64, 12698995), (80, 10159196), (124, 6554320), (155, 5243456), (160, 5079598), (248, 3277160), (310, 2621728), (320, 2539799), (496, 1638580), (620, 1310864), (992, 819290), (1240, 655432), (1984, 409645), (2480, 327716), (4960, 163858), (9920, 81929)]