85217620

素因数分解:

$2^2\times 5^1\times {\mathrm{523}}^1\times {\mathrm{8147}}^1$

素因数の和:8679

約数の個数: 24

約数和(自身を含む): 179321184

約数和(自身を除く): 94103564

約数列:

[1, 2, 4, 5, 10, 20, 523, 1046, 2092, 2615, 5230, 8147, 10460, 16294, 32588, 40735, 81470, 162940, 4260881, 8521762, 17043524, 21304405, 42608810, 85217620]

約数ペア:

[(1, 85217620), (2, 42608810), (4, 21304405), (5, 17043524), (10, 8521762), (20, 4260881), (523, 162940), (1046, 81470), (2092, 40735), (2615, 32588), (5230, 16294), (8147, 10460)]