24551225

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{401}}^1$

素因数の和:521

約数の個数: 24

約数和(自身を含む): 31902720

約数和(自身を除く): 7351495

約数列:

[1, 5, 25, 31, 79, 155, 395, 401, 775, 1975, 2005, 2449, 10025, 12245, 12431, 31679, 61225, 62155, 158395, 310775, 791975, 982049, 4910245, 24551225]

約数ペア:

[(1, 24551225), (5, 4910245), (25, 982049), (31, 791975), (79, 310775), (155, 158395), (395, 62155), (401, 61225), (775, 31679), (1975, 12431), (2005, 12245), (2449, 10025)]