42181225

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{797}}^1$

素因数の和:909

約数の個数: 24

約数和(自身を含む): 54918360

約数和(自身を除く): 12737135

約数列:

[1, 5, 25, 29, 73, 145, 365, 725, 797, 1825, 2117, 3985, 10585, 19925, 23113, 52925, 58181, 115565, 290905, 577825, 1454525, 1687249, 8436245, 42181225]

約数ペア:

[(1, 42181225), (5, 8436245), (25, 1687249), (29, 1454525), (73, 577825), (145, 290905), (365, 115565), (725, 58181), (797, 52925), (1825, 23113), (2117, 19925), (3985, 10585)]