87960640

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8867}}^1$

素因数の和:8915

約数の個数: 56

約数和(自身を含む): 216237312

約数和(自身を除く): 128276672

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, 8867, 9920, 17734, 35468, 44335, 70936, 88670, 141872, 177340, 274877, 283744, 354680, 549754, 567488, 709360, 1099508, 1374385, 1418720, 2199016, 2748770, 2837440, 4398032, 5497540, 8796064, 10995080, 17592128, 21990160, 43980320, 87960640]

約数ペア:

[(1, 87960640), (2, 43980320), (4, 21990160), (5, 17592128), (8, 10995080), (10, 8796064), (16, 5497540), (20, 4398032), (31, 2837440), (32, 2748770), (40, 2199016), (62, 1418720), (64, 1374385), (80, 1099508), (124, 709360), (155, 567488), (160, 549754), (248, 354680), (310, 283744), (320, 274877), (496, 177340), (620, 141872), (992, 88670), (1240, 70936), (1984, 44335), (2480, 35468), (4960, 17734), (8867, 9920)]