89128580

素因数分解:

$2^2\times 5^1\times {\mathrm{4456429}}^1$

素因数の和:4456438

約数の個数: 12

約数和(自身を含む): 187170060

約数和(自身を除く): 98041480

約数列:

[1, 2, 4, 5, 10, 20, 4456429, 8912858, 17825716, 22282145, 44564290, 89128580]

約数ペア:

[(1, 89128580), (2, 44564290), (4, 22282145), (5, 17825716), (10, 8912858), (20, 4456429)]