89439620

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{84377}}^1$

素因数の和:84439

約数の個数: 24

約数和(自身を含む): 191369304

約数和(自身を除く): 101929684

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 84377, 168754, 337508, 421885, 843770, 1687540, 4471981, 8943962, 17887924, 22359905, 44719810, 89439620]

約数ペア:

[(1, 89439620), (2, 44719810), (4, 22359905), (5, 17887924), (10, 8943962), (20, 4471981), (53, 1687540), (106, 843770), (212, 421885), (265, 337508), (530, 168754), (1060, 84377)]