25504730

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{28657}}^1$

素因数の和:28753

約数の個数: 16

約数和(自身を含む): 46425960

約数和(自身を除く): 20921230

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 28657, 57314, 143285, 286570, 2550473, 5100946, 12752365, 25504730]

約数ペア:

[(1, 25504730), (2, 12752365), (5, 5100946), (10, 2550473), (89, 286570), (178, 143285), (445, 57314), (890, 28657)]