3897560

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{701}}^1$

素因数の和:851

約数の個数: 32

約数和(自身を含む): 8845200

約数和(自身を除く): 4947640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 701, 1112, 1390, 1402, 2780, 2804, 3505, 5560, 5608, 7010, 14020, 28040, 97439, 194878, 389756, 487195, 779512, 974390, 1948780, 3897560]

約数ペア:

[(1, 3897560), (2, 1948780), (4, 974390), (5, 779512), (8, 487195), (10, 389756), (20, 194878), (40, 97439), (139, 28040), (278, 14020), (556, 7010), (695, 5608), (701, 5560), (1112, 3505), (1390, 2804), (1402, 2780)]