406919080

素因数分解:

$2^3\times 5^1\times {\mathrm{10172977}}^1$

素因数の和:10172988

約数の個数: 16

約数和(自身を含む): 915568020

約数和(自身を除く): 508648940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 10172977, 20345954, 40691908, 50864885, 81383816, 101729770, 203459540, 406919080]

約数ペア:

[(1, 406919080), (2, 203459540), (4, 101729770), (5, 81383816), (8, 50864885), (10, 40691908), (20, 20345954), (40, 10172977)]