40872490

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{99689}}^1$

素因数の和:99737

約数の個数: 16

約数和(自身を含む): 75365640

約数和(自身を除く): 34493150

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 99689, 199378, 498445, 996890, 4087249, 8174498, 20436245, 40872490]

約数ペア:

[(1, 40872490), (2, 20436245), (5, 8174498), (10, 4087249), (41, 996890), (82, 498445), (205, 199378), (410, 99689)]