13020155

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{503}}^1$

素因数の和:706

約数の個数: 16

約数和(自身を含む): 16257024

約数和(自身を除く): 3236869

約数列:

[1, 5, 31, 155, 167, 503, 835, 2515, 5177, 15593, 25885, 77965, 84001, 420005, 2604031, 13020155]

約数ペア:

[(1, 13020155), (5, 2604031), (31, 420005), (155, 84001), (167, 77965), (503, 25885), (835, 15593), (2515, 5177)]