90690140

素因数分解:

$2^2\times 5^1\times {\mathrm{881}}^1\times {\mathrm{5147}}^1$

素因数の和:6037

約数の個数: 24

約数和(自身を含む): 190702512

約数和(自身を除く): 100012372

約数列:

[1, 2, 4, 5, 10, 20, 881, 1762, 3524, 4405, 5147, 8810, 10294, 17620, 20588, 25735, 51470, 102940, 4534507, 9069014, 18138028, 22672535, 45345070, 90690140]

約数ペア:

[(1, 90690140), (2, 45345070), (4, 22672535), (5, 18138028), (10, 9069014), (20, 4534507), (881, 102940), (1762, 51470), (3524, 25735), (4405, 20588), (5147, 17620), (8810, 10294)]