25289075

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 38378496

約数和(自身を除く): 13089421

約数列:

[1, 5, 7, 23, 25, 35, 61, 103, 115, 161, 175, 305, 427, 515, 575, 721, 805, 1403, 1525, 2135, 2369, 2575, 3605, 4025, 6283, 7015, 9821, 10675, 11845, 16583, 18025, 31415, 35075, 43981, 49105, 59225, 82915, 144509, 157075, 219905, 245525, 414575, 722545, 1011563, 1099525, 3612725, 5057815, 25289075]

約数ペア:

[(1, 25289075), (5, 5057815), (7, 3612725), (23, 1099525), (25, 1011563), (35, 722545), (61, 414575), (103, 245525), (115, 219905), (161, 157075), (175, 144509), (305, 82915), (427, 59225), (515, 49105), (575, 43981), (721, 35075), (805, 31415), (1403, 18025), (1525, 16583), (2135, 11845), (2369, 10675), (2575, 9821), (3605, 7015), (4025, 6283)]