25371380

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{4079}}^1$

素因数の和:4399

約数の個数: 24

約数和(自身を含む): 53464320

約数和(自身を除く): 28092940

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1244, 1555, 3110, 4079, 6220, 8158, 16316, 20395, 40790, 81580, 1268569, 2537138, 5074276, 6342845, 12685690, 25371380]

約数ペア:

[(1, 25371380), (2, 12685690), (4, 6342845), (5, 5074276), (10, 2537138), (20, 1268569), (311, 81580), (622, 40790), (1244, 20395), (1555, 16316), (3110, 8158), (4079, 6220)]