221701160

素因数分解:

$2^3\times 5^1\times {\mathrm{5542529}}^1$

素因数の和:5542540

約数の個数: 16

約数和(自身を含む): 498827700

約数和(自身を除く): 277126540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5542529, 11085058, 22170116, 27712645, 44340232, 55425290, 110850580, 221701160]

約数ペア:

[(1, 221701160), (2, 110850580), (4, 55425290), (5, 44340232), (8, 27712645), (10, 22170116), (20, 11085058), (40, 5542529)]