25420465

素因数分解:

$5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{3347}}^1$

素因数の和:3397

約数の個数: 24

約数和(自身を含む): 36640512

約数和(自身を除く): 11220047

約数列:

[1, 5, 7, 31, 35, 49, 155, 217, 245, 1085, 1519, 3347, 7595, 16735, 23429, 103757, 117145, 164003, 518785, 726299, 820015, 3631495, 5084093, 25420465]

約数ペア:

[(1, 25420465), (5, 5084093), (7, 3631495), (31, 820015), (35, 726299), (49, 518785), (155, 164003), (217, 117145), (245, 103757), (1085, 23429), (1519, 16735), (3347, 7595)]