81308450

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{4159}}^1$

素因数の和:4211

約数の個数: 48

約数和(自身を含む): 167132160

約数和(自身を除く): 85823710

約数列:

[1, 2, 5, 10, 17, 23, 25, 34, 46, 50, 85, 115, 170, 230, 391, 425, 575, 782, 850, 1150, 1955, 3910, 4159, 8318, 9775, 19550, 20795, 41590, 70703, 95657, 103975, 141406, 191314, 207950, 353515, 478285, 707030, 956570, 1626169, 1767575, 2391425, 3252338, 3535150, 4782850, 8130845, 16261690, 40654225, 81308450]

約数ペア:

[(1, 81308450), (2, 40654225), (5, 16261690), (10, 8130845), (17, 4782850), (23, 3535150), (25, 3252338), (34, 2391425), (46, 1767575), (50, 1626169), (85, 956570), (115, 707030), (170, 478285), (230, 353515), (391, 207950), (425, 191314), (575, 141406), (782, 103975), (850, 95657), (1150, 70703), (1955, 41590), (3910, 20795), (4159, 19550), (8318, 9775)]