84477640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{162457}}^1$

素因数の和:162481

約数の個数: 32

約数和(自身を含む): 204697080

約数和(自身を除く): 120219440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 162457, 324914, 649828, 812285, 1299656, 1624570, 2111941, 3249140, 4223882, 6498280, 8447764, 10559705, 16895528, 21119410, 42238820, 84477640]

約数ペア:

[(1, 84477640), (2, 42238820), (4, 21119410), (5, 16895528), (8, 10559705), (10, 8447764), (13, 6498280), (20, 4223882), (26, 3249140), (40, 2111941), (52, 1624570), (65, 1299656), (104, 812285), (130, 649828), (260, 324914), (520, 162457)]