2821480

素因数分解:

$2^3\times 5^1\times {\mathrm{70537}}^1$

素因数の和:70548

約数の個数: 16

約数和(自身を含む): 6348420

約数和(自身を除く): 3526940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 70537, 141074, 282148, 352685, 564296, 705370, 1410740, 2821480]

約数ペア:

[(1, 2821480), (2, 1410740), (4, 705370), (5, 564296), (8, 352685), (10, 282148), (20, 141074), (40, 70537)]