2821160

素因数分解:

$2^3\times 5^1\times {\mathrm{70529}}^1$

素因数の和:70540

約数の個数: 16

約数和(自身を含む): 6347700

約数和(自身を除く): 3526540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 70529, 141058, 282116, 352645, 564232, 705290, 1410580, 2821160]

約数ペア:

[(1, 2821160), (2, 1410580), (4, 705290), (5, 564232), (8, 352645), (10, 282116), (20, 141058), (40, 70529)]