25622540

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{31247}}^1$

素因数の和:31297

約数の個数: 24

約数和(自身を含む): 55121472

約数和(自身を除く): 29498932

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 31247, 62494, 124988, 156235, 312470, 624940, 1281127, 2562254, 5124508, 6405635, 12811270, 25622540]

約数ペア:

[(1, 25622540), (2, 12811270), (4, 6405635), (5, 5124508), (10, 2562254), (20, 1281127), (41, 624940), (82, 312470), (164, 156235), (205, 124988), (410, 62494), (820, 31247)]