56981180

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{10139}}^1$

素因数の和:10429

約数の個数: 24

約数和(自身を含む): 120098160

約数和(自身を除く): 63116980

約数列:

[1, 2, 4, 5, 10, 20, 281, 562, 1124, 1405, 2810, 5620, 10139, 20278, 40556, 50695, 101390, 202780, 2849059, 5698118, 11396236, 14245295, 28490590, 56981180]

約数ペア:

[(1, 56981180), (2, 28490590), (4, 14245295), (5, 11396236), (10, 5698118), (20, 2849059), (281, 202780), (562, 101390), (1124, 50695), (1405, 40556), (2810, 20278), (5620, 10139)]