7864280

素因数分解:

$2^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{467}}^1$

素因数の和:899

約数の個数: 32

約数和(自身を含む): 17774640

約数和(自身を除く): 9910360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421, 467, 842, 934, 1684, 1868, 2105, 2335, 3368, 3736, 4210, 4670, 8420, 9340, 16840, 18680, 196607, 393214, 786428, 983035, 1572856, 1966070, 3932140, 7864280]

約数ペア:

[(1, 7864280), (2, 3932140), (4, 1966070), (5, 1572856), (8, 983035), (10, 786428), (20, 393214), (40, 196607), (421, 18680), (467, 16840), (842, 9340), (934, 8420), (1684, 4670), (1868, 4210), (2105, 3736), (2335, 3368)]