87910160

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{617}}^1$

素因数の和:780

約数の個数: 80

約数和(自身を含む): 222079536

約数和(自身を除く): 134169376

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 137, 208, 260, 274, 520, 548, 617, 685, 1040, 1096, 1234, 1370, 1781, 2192, 2468, 2740, 3085, 3562, 4936, 5480, 6170, 7124, 8021, 8905, 9872, 10960, 12340, 14248, 16042, 17810, 24680, 28496, 32084, 35620, 40105, 49360, 64168, 71240, 80210, 84529, 128336, 142480, 160420, 169058, 320840, 338116, 422645, 641680, 676232, 845290, 1098877, 1352464, 1690580, 2197754, 3381160, 4395508, 5494385, 6762320, 8791016, 10988770, 17582032, 21977540, 43955080, 87910160]

約数ペア:

[(1, 87910160), (2, 43955080), (4, 21977540), (5, 17582032), (8, 10988770), (10, 8791016), (13, 6762320), (16, 5494385), (20, 4395508), (26, 3381160), (40, 2197754), (52, 1690580), (65, 1352464), (80, 1098877), (104, 845290), (130, 676232), (137, 641680), (208, 422645), (260, 338116), (274, 320840), (520, 169058), (548, 160420), (617, 142480), (685, 128336), (1040, 84529), (1096, 80210), (1234, 71240), (1370, 64168), (1781, 49360), (2192, 40105), (2468, 35620), (2740, 32084), (3085, 28496), (3562, 24680), (4936, 17810), (5480, 16042), (6170, 14248), (7124, 12340), (8021, 10960), (8905, 9872)]