40809730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{313921}}^1$

素因数の和:313941

約数の個数: 16

約数和(自身を含む): 79108344

約数和(自身を除く): 38298614

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 313921, 627842, 1569605, 3139210, 4080973, 8161946, 20404865, 40809730]

約数ペア:

[(1, 40809730), (2, 20404865), (5, 8161946), (10, 4080973), (13, 3139210), (26, 1569605), (65, 627842), (130, 313921)]