8889377080

素因数分解:

$2^3\times 5^1\times {\mathrm{222234427}}^1$

素因数の和:222234438

約数の個数: 16

約数和(自身を含む): 20001098520

約数和(自身を除く): 11111721440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 222234427, 444468854, 888937708, 1111172135, 1777875416, 2222344270, 4444688540, 8889377080]

約数ペア:

[(1, 8889377080), (2, 4444688540), (4, 2222344270), (5, 1777875416), (8, 1111172135), (10, 888937708), (20, 444468854), (40, 222234427)]