72421775

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{40801}}^1$

素因数の和:40882

約数の個数: 12

約数和(自身を含む): 91070064

約数和(自身を除く): 18648289

約数列:

[1, 5, 25, 71, 355, 1775, 40801, 204005, 1020025, 2896871, 14484355, 72421775]

約数ペア:

[(1, 72421775), (5, 14484355), (25, 2896871), (71, 1020025), (355, 204005), (1775, 40801)]