88887080

素因数分解:

$2^3\times 5^1\times {\mathrm{2222177}}^1$

素因数の和:2222188

約数の個数: 16

約数和(自身を含む): 199996020

約数和(自身を除く): 111108940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2222177, 4444354, 8888708, 11110885, 17777416, 22221770, 44443540, 88887080]

約数ペア:

[(1, 88887080), (2, 44443540), (4, 22221770), (5, 17777416), (8, 11110885), (10, 8888708), (20, 4444354), (40, 2222177)]