211313680

素因数分解:

$2^4\times 5^1\times {\mathrm{2641421}}^1$

素因数の和:2641434

約数の個数: 20

約数和(自身を含む): 491304492

約数和(自身を除く): 279990812

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2641421, 5282842, 10565684, 13207105, 21131368, 26414210, 42262736, 52828420, 105656840, 211313680]

約数ペア:

[(1, 211313680), (2, 105656840), (4, 52828420), (5, 42262736), (8, 26414210), (10, 21131368), (16, 13207105), (20, 10565684), (40, 5282842), (80, 2641421)]