1109663125

素因数分解:

$5^4\times {\mathrm{89}}^1\times {\mathrm{19949}}^1$

素因数の和:20058

約数の個数: 20

約数和(自身を含む): 1402285500

約数和(自身を除く): 292622375

約数列:

[1, 5, 25, 89, 125, 445, 625, 2225, 11125, 19949, 55625, 99745, 498725, 1775461, 2493625, 8877305, 12468125, 44386525, 221932625, 1109663125]

約数ペア:

[(1, 1109663125), (5, 221932625), (25, 44386525), (89, 12468125), (125, 8877305), (445, 2493625), (625, 1775461), (2225, 498725), (11125, 99745), (19949, 55625)]