74287280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{54623}}^1$

素因数の和:54653

約数の個数: 40

約数和(自身を含む): 182881152

約数和(自身を除く): 108593872

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 54623, 109246, 218492, 273115, 436984, 546230, 873968, 928591, 1092460, 1857182, 2184920, 3714364, 4369840, 4642955, 7428728, 9285910, 14857456, 18571820, 37143640, 74287280]

約数ペア:

[(1, 74287280), (2, 37143640), (4, 18571820), (5, 14857456), (8, 9285910), (10, 7428728), (16, 4642955), (17, 4369840), (20, 3714364), (34, 2184920), (40, 1857182), (68, 1092460), (80, 928591), (85, 873968), (136, 546230), (170, 436984), (272, 273115), (340, 218492), (680, 109246), (1360, 54623)]