89879620

素因数分解:

$2^2\times 5^1\times {\mathrm{881}}^1\times {\mathrm{5101}}^1$

素因数の和:5991

約数の個数: 24

約数和(自身を含む): 188998488

約数和(自身を除く): 99118868

約数列:

[1, 2, 4, 5, 10, 20, 881, 1762, 3524, 4405, 5101, 8810, 10202, 17620, 20404, 25505, 51010, 102020, 4493981, 8987962, 17975924, 22469905, 44939810, 89879620]

約数ペア:

[(1, 89879620), (2, 44939810), (4, 22469905), (5, 17975924), (10, 8987962), (20, 4493981), (881, 102020), (1762, 51010), (3524, 25505), (4405, 20404), (5101, 17620), (8810, 10202)]