80645450

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{5581}}^1$

素因数の和:5627

約数の個数: 36

約数和(自身を含む): 159371682

約数和(自身を除く): 78726232

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 170, 289, 425, 578, 850, 1445, 2890, 5581, 7225, 11162, 14450, 27905, 55810, 94877, 139525, 189754, 279050, 474385, 948770, 1612909, 2371925, 3225818, 4743850, 8064545, 16129090, 40322725, 80645450]

約数ペア:

[(1, 80645450), (2, 40322725), (5, 16129090), (10, 8064545), (17, 4743850), (25, 3225818), (34, 2371925), (50, 1612909), (85, 948770), (170, 474385), (289, 279050), (425, 189754), (578, 139525), (850, 94877), (1445, 55810), (2890, 27905), (5581, 14450), (7225, 11162)]