88891480

素因数分解:

$2^3\times 5^1\times {\mathrm{2222287}}^1$

素因数の和:2222298

約数の個数: 16

約数和(自身を含む): 200005920

約数和(自身を除く): 111114440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2222287, 4444574, 8889148, 11111435, 17778296, 22222870, 44445740, 88891480]

約数ペア:

[(1, 88891480), (2, 44445740), (4, 22222870), (5, 17778296), (8, 11111435), (10, 8889148), (20, 4444574), (40, 2222287)]