7858280

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2767}}^1$

素因数の和:2849

約数の個数: 32

約数和(自身を含む): 17936640

約数和(自身を除く): 10078360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2767, 2840, 5534, 11068, 13835, 22136, 27670, 55340, 110680, 196457, 392914, 785828, 982285, 1571656, 1964570, 3929140, 7858280]

約数ペア:

[(1, 7858280), (2, 3929140), (4, 1964570), (5, 1571656), (8, 982285), (10, 785828), (20, 392914), (40, 196457), (71, 110680), (142, 55340), (284, 27670), (355, 22136), (568, 13835), (710, 11068), (1420, 5534), (2767, 2840)]