71553640

素因数分解:

$2^3\times 5^1\times {\mathrm{941}}^1\times {\mathrm{1901}}^1$

素因数の和:2853

約数の個数: 32

約数和(自身を含む): 161251560

約数和(自身を除く): 89697920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 941, 1882, 1901, 3764, 3802, 4705, 7528, 7604, 9410, 9505, 15208, 18820, 19010, 37640, 38020, 76040, 1788841, 3577682, 7155364, 8944205, 14310728, 17888410, 35776820, 71553640]

約数ペア:

[(1, 71553640), (2, 35776820), (4, 17888410), (5, 14310728), (8, 8944205), (10, 7155364), (20, 3577682), (40, 1788841), (941, 76040), (1882, 38020), (1901, 37640), (3764, 19010), (3802, 18820), (4705, 15208), (7528, 9505), (7604, 9410)]