406284080

素因数分解:

$2^4\times 5^1\times {\mathrm{5078551}}^1$

素因数の和:5078564

約数の個数: 20

約数和(自身を含む): 944610672

約数和(自身を除く): 538326592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 5078551, 10157102, 20314204, 25392755, 40628408, 50785510, 81256816, 101571020, 203142040, 406284080]

約数ペア:

[(1, 406284080), (2, 203142040), (4, 101571020), (5, 81256816), (8, 50785510), (10, 40628408), (16, 25392755), (20, 20314204), (40, 10157102), (80, 5078551)]