25656680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{91631}}^1$

素因数の和:91649

約数の個数: 32

約数和(自身を含む): 65975040

約数和(自身を除く): 40318360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 91631, 183262, 366524, 458155, 641417, 733048, 916310, 1282834, 1832620, 2565668, 3207085, 3665240, 5131336, 6414170, 12828340, 25656680]

約数ペア:

[(1, 25656680), (2, 12828340), (4, 6414170), (5, 5131336), (7, 3665240), (8, 3207085), (10, 2565668), (14, 1832620), (20, 1282834), (28, 916310), (35, 733048), (40, 641417), (56, 458155), (70, 366524), (140, 183262), (280, 91631)]