204421160

素因数分解:

$2^3\times 5^1\times {\mathrm{5110529}}^1$

素因数の和:5110540

約数の個数: 16

約数和(自身を含む): 459947700

約数和(自身を除く): 255526540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5110529, 10221058, 20442116, 25552645, 40884232, 51105290, 102210580, 204421160]

約数ペア:

[(1, 204421160), (2, 102210580), (4, 51105290), (5, 40884232), (8, 25552645), (10, 20442116), (20, 10221058), (40, 5110529)]