31028020

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{5521}}^1$

素因数の和:5811

約数の個数: 24

約数和(自身を含む): 65402568

約数和(自身を除く): 34374548

約数列:

[1, 2, 4, 5, 10, 20, 281, 562, 1124, 1405, 2810, 5521, 5620, 11042, 22084, 27605, 55210, 110420, 1551401, 3102802, 6205604, 7757005, 15514010, 31028020]

約数ペア:

[(1, 31028020), (2, 15514010), (4, 7757005), (5, 6205604), (10, 3102802), (20, 1551401), (281, 110420), (562, 55210), (1124, 27605), (1405, 22084), (2810, 11042), (5521, 5620)]