56797640

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{3541}}^1$

素因数の和:3953

約数の個数: 32

約数和(自身を含む): 128149560

約数和(自身を除く): 71351920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 1604, 2005, 3208, 3541, 4010, 7082, 8020, 14164, 16040, 17705, 28328, 35410, 70820, 141640, 1419941, 2839882, 5679764, 7099705, 11359528, 14199410, 28398820, 56797640]

約数ペア:

[(1, 56797640), (2, 28398820), (4, 14199410), (5, 11359528), (8, 7099705), (10, 5679764), (20, 2839882), (40, 1419941), (401, 141640), (802, 70820), (1604, 35410), (2005, 28328), (3208, 17705), (3541, 16040), (4010, 14164), (7082, 8020)]