204501505

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{1543}}^1\times {\mathrm{2039}}^1$

素因数の和:3600

約数の個数: 16

約数和(自身を含む): 264579840

約数和(自身を除く): 60078335

約数列:

[1, 5, 13, 65, 1543, 2039, 7715, 10195, 20059, 26507, 100295, 132535, 3146177, 15730885, 40900301, 204501505]

約数ペア:

[(1, 204501505), (5, 40900301), (13, 15730885), (65, 3146177), (1543, 132535), (2039, 100295), (7715, 26507), (10195, 20059)]