90443620

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{105167}}^1$

素因数の和:105219

約数の個数: 24

約数和(自身を含む): 194350464

約数和(自身を除く): 103906844

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 105167, 210334, 420668, 525835, 1051670, 2103340, 4522181, 9044362, 18088724, 22610905, 45221810, 90443620]

約数ペア:

[(1, 90443620), (2, 45221810), (4, 22610905), (5, 18088724), (10, 9044362), (20, 4522181), (43, 2103340), (86, 1051670), (172, 525835), (215, 420668), (430, 210334), (860, 105167)]