100809621620

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{21089879}}^1$

素因数の和:21090127

約数の個数: 24

約数和(自身を含む): 212585990400

約数和(自身を除く): 111776368780

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 2390, 4780, 21089879, 42179758, 84359516, 105449395, 210898790, 421797580, 5040481081, 10080962162, 20161924324, 25202405405, 50404810810, 100809621620]

約数ペア:

[(1, 100809621620), (2, 50404810810), (4, 25202405405), (5, 20161924324), (10, 10080962162), (20, 5040481081), (239, 421797580), (478, 210898790), (956, 105449395), (1195, 84359516), (2390, 42179758), (4780, 21089879)]