72420085

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{5227}}^1$

素因数の和:5412

約数の個数: 16

約数和(自身を含む): 92598336

約数和(自身を除く): 20178251

約数列:

[1, 5, 17, 85, 163, 815, 2771, 5227, 13855, 26135, 88859, 444295, 852001, 4260005, 14484017, 72420085]

約数ペア:

[(1, 72420085), (5, 14484017), (17, 4260005), (85, 852001), (163, 444295), (815, 88859), (2771, 26135), (5227, 13855)]