25750160

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2953}}^1$

素因数の和:3075

約数の個数: 40

約数和(自身を含む): 60438840

約数和(自身を除く): 34688680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 2953, 4360, 5906, 8720, 11812, 14765, 23624, 29530, 47248, 59060, 118120, 236240, 321877, 643754, 1287508, 1609385, 2575016, 3218770, 5150032, 6437540, 12875080, 25750160]

約数ペア:

[(1, 25750160), (2, 12875080), (4, 6437540), (5, 5150032), (8, 3218770), (10, 2575016), (16, 1609385), (20, 1287508), (40, 643754), (80, 321877), (109, 236240), (218, 118120), (436, 59060), (545, 47248), (872, 29530), (1090, 23624), (1744, 14765), (2180, 11812), (2953, 8720), (4360, 5906)]