25287005

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:281

約数の個数: 32

約数和(自身を含む): 34007040

約数和(自身を除く): 8720035

約数列:

[1, 5, 19, 23, 71, 95, 115, 163, 355, 437, 815, 1349, 1633, 2185, 3097, 3749, 6745, 8165, 11573, 15485, 18745, 31027, 57865, 71231, 155135, 219887, 266179, 356155, 1099435, 1330895, 5057401, 25287005]

約数ペア:

[(1, 25287005), (5, 5057401), (19, 1330895), (23, 1099435), (71, 356155), (95, 266179), (115, 219887), (163, 155135), (355, 71231), (437, 57865), (815, 31027), (1349, 18745), (1633, 15485), (2185, 11573), (3097, 8165), (3749, 6745)]