28417825

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2063}}^1$

素因数の和:2121

約数の個数: 24

約数和(自身を含む): 38390400

約数和(自身を除く): 9972575

約数列:

[1, 5, 19, 25, 29, 95, 145, 475, 551, 725, 2063, 2755, 10315, 13775, 39197, 51575, 59827, 195985, 299135, 979925, 1136713, 1495675, 5683565, 28417825]

約数ペア:

[(1, 28417825), (5, 5683565), (19, 1495675), (25, 1136713), (29, 979925), (95, 299135), (145, 195985), (475, 59827), (551, 51575), (725, 39197), (2063, 13775), (2755, 10315)]