99473680

素因数分解:

$2^4\times 5^1\times {\mathrm{1243421}}^1$

素因数の和:1243434

約数の個数: 20

約数和(自身を含む): 231276492

約数和(自身を除く): 131802812

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1243421, 2486842, 4973684, 6217105, 9947368, 12434210, 19894736, 24868420, 49736840, 99473680]

約数ペア:

[(1, 99473680), (2, 49736840), (4, 24868420), (5, 19894736), (8, 12434210), (10, 9947368), (16, 6217105), (20, 4973684), (40, 2486842), (80, 1243421)]