31254730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{240421}}^1$

素因数の和:240441

約数の個数: 16

約数和(自身を含む): 60586344

約数和(自身を除く): 29331614

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 240421, 480842, 1202105, 2404210, 3125473, 6250946, 15627365, 31254730]

約数ペア:

[(1, 31254730), (2, 15627365), (5, 6250946), (10, 3125473), (13, 2404210), (26, 1202105), (65, 480842), (130, 240421)]