6477640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12457}}^1$

素因数の和:12481

約数の個数: 32

約数和(自身を含む): 15697080

約数和(自身を除く): 9219440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 12457, 24914, 49828, 62285, 99656, 124570, 161941, 249140, 323882, 498280, 647764, 809705, 1295528, 1619410, 3238820, 6477640]

約数ペア:

[(1, 6477640), (2, 3238820), (4, 1619410), (5, 1295528), (8, 809705), (10, 647764), (13, 498280), (20, 323882), (26, 249140), (40, 161941), (52, 124570), (65, 99656), (104, 62285), (130, 49828), (260, 24914), (520, 12457)]