201216440

素因数分解:

$2^3\times 5^1\times {\mathrm{5030411}}^1$

素因数の和:5030422

約数の個数: 16

約数和(自身を含む): 452737080

約数和(自身を除く): 251520640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5030411, 10060822, 20121644, 25152055, 40243288, 50304110, 100608220, 201216440]

約数ペア:

[(1, 201216440), (2, 100608220), (4, 50304110), (5, 40243288), (8, 25152055), (10, 20121644), (20, 10060822), (40, 5030411)]