25719020

素因数分解:

$2^2\times 5^1\times {\mathrm{691}}^1\times {\mathrm{1861}}^1$

素因数の和:2561

約数の個数: 24

約数和(自身を含む): 54117168

約数和(自身を除く): 28398148

約数列:

[1, 2, 4, 5, 10, 20, 691, 1382, 1861, 2764, 3455, 3722, 6910, 7444, 9305, 13820, 18610, 37220, 1285951, 2571902, 5143804, 6429755, 12859510, 25719020]

約数ペア:

[(1, 25719020), (2, 12859510), (4, 6429755), (5, 5143804), (10, 2571902), (20, 1285951), (691, 37220), (1382, 18610), (1861, 13820), (2764, 9305), (3455, 7444), (3722, 6910)]