28200325

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{401}}^1$

素因数の和:537

約数の個数: 24

約数和(自身を含む): 36638280

約数和(自身を除く): 8437955

約数列:

[1, 5, 25, 29, 97, 145, 401, 485, 725, 2005, 2425, 2813, 10025, 11629, 14065, 38897, 58145, 70325, 194485, 290725, 972425, 1128013, 5640065, 28200325]

約数ペア:

[(1, 28200325), (5, 5640065), (25, 1128013), (29, 972425), (97, 290725), (145, 194485), (401, 70325), (485, 58145), (725, 38897), (2005, 14065), (2425, 11629), (2813, 10025)]