404270320

素因数分解:

$2^4\times 5^1\times {\mathrm{5053379}}^1$

素因数の和:5053392

約数の個数: 20

約数和(自身を含む): 939928680

約数和(自身を除く): 535658360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 5053379, 10106758, 20213516, 25266895, 40427032, 50533790, 80854064, 101067580, 202135160, 404270320]

約数ペア:

[(1, 404270320), (2, 202135160), (4, 101067580), (5, 80854064), (8, 50533790), (10, 40427032), (16, 25266895), (20, 20213516), (40, 10106758), (80, 5053379)]