8497640

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1949}}^1$

素因数の和:2069

約数の個数: 32

約数和(自身を含む): 19305000

約数和(自身を除く): 10807360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 1949, 2180, 3898, 4360, 7796, 9745, 15592, 19490, 38980, 77960, 212441, 424882, 849764, 1062205, 1699528, 2124410, 4248820, 8497640]

約数ペア:

[(1, 8497640), (2, 4248820), (4, 2124410), (5, 1699528), (8, 1062205), (10, 849764), (20, 424882), (40, 212441), (109, 77960), (218, 38980), (436, 19490), (545, 15592), (872, 9745), (1090, 7796), (1949, 4360), (2180, 3898)]