90861580

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{105653}}^1$

素因数の和:105705

約数の個数: 24

約数和(自身を含む): 195248592

約数和(自身を除く): 104387012

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 105653, 211306, 422612, 528265, 1056530, 2113060, 4543079, 9086158, 18172316, 22715395, 45430790, 90861580]

約数ペア:

[(1, 90861580), (2, 45430790), (4, 22715395), (5, 18172316), (10, 9086158), (20, 4543079), (43, 2113060), (86, 1056530), (172, 528265), (215, 422612), (430, 211306), (860, 105653)]