80415404

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{181}}^1\times {\mathrm{1019}}^1$

素因数の和:1313

約数の個数: 24

約数和(自身を含む): 142942800

約数和(自身を除く): 62527396

約数列:

[1, 2, 4, 109, 181, 218, 362, 436, 724, 1019, 2038, 4076, 19729, 39458, 78916, 111071, 184439, 222142, 368878, 444284, 737756, 20103851, 40207702, 80415404]

約数ペア:

[(1, 80415404), (2, 40207702), (4, 20103851), (109, 737756), (181, 444284), (218, 368878), (362, 222142), (436, 184439), (724, 111071), (1019, 78916), (2038, 39458), (4076, 19729)]