80394005

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{509}}^1\times {\mathrm{1019}}^1$

素因数の和:1564

約数の個数: 16

約数和(自身を含む): 99878400

約数和(自身を除く): 19484395

約数列:

[1, 5, 31, 155, 509, 1019, 2545, 5095, 15779, 31589, 78895, 157945, 518671, 2593355, 16078801, 80394005]

約数ペア:

[(1, 80394005), (5, 16078801), (31, 2593355), (155, 518671), (509, 157945), (1019, 78895), (2545, 31589), (5095, 15779)]