128780565575

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{223966201}}^1$

素因数の和:223966234

約数の個数: 12

約数和(自身を含む): 166630854288

約数和(自身を除く): 37850288713

約数列:

[1, 5, 23, 25, 115, 575, 223966201, 1119831005, 5151222623, 5599155025, 25756113115, 128780565575]

約数ペア:

[(1, 128780565575), (5, 25756113115), (23, 5599155025), (25, 5151222623), (115, 1119831005), (575, 223966201)]