87917960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{7351}}^1$

素因数の和:7398

約数の個数: 64

約数和(自身を含む): 222324480

約数和(自身を除く): 134406520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 92, 104, 115, 130, 184, 230, 260, 299, 460, 520, 598, 920, 1196, 1495, 2392, 2990, 5980, 7351, 11960, 14702, 29404, 36755, 58808, 73510, 95563, 147020, 169073, 191126, 294040, 338146, 382252, 477815, 676292, 764504, 845365, 955630, 1352584, 1690730, 1911260, 2197949, 3381460, 3822520, 4395898, 6762920, 8791796, 10989745, 17583592, 21979490, 43958980, 87917960]

約数ペア:

[(1, 87917960), (2, 43958980), (4, 21979490), (5, 17583592), (8, 10989745), (10, 8791796), (13, 6762920), (20, 4395898), (23, 3822520), (26, 3381460), (40, 2197949), (46, 1911260), (52, 1690730), (65, 1352584), (92, 955630), (104, 845365), (115, 764504), (130, 676292), (184, 477815), (230, 382252), (260, 338146), (299, 294040), (460, 191126), (520, 169073), (598, 147020), (920, 95563), (1196, 73510), (1495, 58808), (2392, 36755), (2990, 29404), (5980, 14702), (7351, 11960)]