40676890

素因数分解:

$2^1\times 5^1\times {\mathrm{647}}^1\times {\mathrm{6287}}^1$

素因数の和:6941

約数の個数: 16

約数和(自身を含む): 73343232

約数和(自身を除く): 32666342

約数列:

[1, 2, 5, 10, 647, 1294, 3235, 6287, 6470, 12574, 31435, 62870, 4067689, 8135378, 20338445, 40676890]

約数ペア:

[(1, 40676890), (2, 20338445), (5, 8135378), (10, 4067689), (647, 62870), (1294, 31435), (3235, 12574), (6287, 6470)]