83279620

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{40427}}^1$

素因数の和:40539

約数の個数: 24

約数和(自身を含む): 176589504

約数和(自身を除く): 93309884

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 40427, 80854, 161708, 202135, 404270, 808540, 4163981, 8327962, 16655924, 20819905, 41639810, 83279620]

約数ペア:

[(1, 83279620), (2, 41639810), (4, 20819905), (5, 16655924), (10, 8327962), (20, 4163981), (103, 808540), (206, 404270), (412, 202135), (515, 161708), (1030, 80854), (2060, 40427)]