211323920

素因数分解:

$2^4\times 5^1\times {\mathrm{2641549}}^1$

素因数の和:2641562

約数の個数: 20

約数和(自身を含む): 491328300

約数和(自身を除く): 280004380

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2641549, 5283098, 10566196, 13207745, 21132392, 26415490, 42264784, 52830980, 105661960, 211323920]

約数ペア:

[(1, 211323920), (2, 105661960), (4, 52830980), (5, 42264784), (8, 26415490), (10, 21132392), (16, 13207745), (20, 10566196), (40, 5283098), (80, 2641549)]