25898680

素因数分解:

$2^3\times 5^1\times {\mathrm{691}}^1\times {\mathrm{937}}^1$

素因数の和:1639

約数の個数: 32

約数和(自身を含む): 58418640

約数和(自身を除く): 32519960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 691, 937, 1382, 1874, 2764, 3455, 3748, 4685, 5528, 6910, 7496, 9370, 13820, 18740, 27640, 37480, 647467, 1294934, 2589868, 3237335, 5179736, 6474670, 12949340, 25898680]

約数ペア:

[(1, 25898680), (2, 12949340), (4, 6474670), (5, 5179736), (8, 3237335), (10, 2589868), (20, 1294934), (40, 647467), (691, 37480), (937, 27640), (1382, 18740), (1874, 13820), (2764, 9370), (3455, 7496), (3748, 6910), (4685, 5528)]