87953680

素因数分解:

$2^4\times 5^1\times {\mathrm{1099421}}^1$

素因数の和:1099434

約数の個数: 20

約数和(自身を含む): 204492492

約数和(自身を除く): 116538812

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1099421, 2198842, 4397684, 5497105, 8795368, 10994210, 17590736, 21988420, 43976840, 87953680]

約数ペア:

[(1, 87953680), (2, 43976840), (4, 21988420), (5, 17590736), (8, 10994210), (10, 8795368), (16, 5497105), (20, 4397684), (40, 2198842), (80, 1099421)]