2510225

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:161

約数の個数: 24

約数和(自身を含む): 3333120

約数和(自身を除く): 822895

約数列:

[1, 5, 25, 31, 41, 79, 155, 205, 395, 775, 1025, 1271, 1975, 2449, 3239, 6355, 12245, 16195, 31775, 61225, 80975, 100409, 502045, 2510225]

約数ペア:

[(1, 2510225), (5, 502045), (25, 100409), (31, 80975), (41, 61225), (79, 31775), (155, 16195), (205, 12245), (395, 6355), (775, 3239), (1025, 2449), (1271, 1975)]