25940140

素因数分解:

$2^2\times 5^1\times {\mathrm{691}}^1\times {\mathrm{1877}}^1$

素因数の和:2577

約数の個数: 24

約数和(自身を含む): 54582192

約数和(自身を除く): 28642052

約数列:

[1, 2, 4, 5, 10, 20, 691, 1382, 1877, 2764, 3455, 3754, 6910, 7508, 9385, 13820, 18770, 37540, 1297007, 2594014, 5188028, 6485035, 12970070, 25940140]

約数ペア:

[(1, 25940140), (2, 12970070), (4, 6485035), (5, 5188028), (10, 2594014), (20, 1297007), (691, 37540), (1382, 18770), (1877, 13820), (2764, 9385), (3455, 7508), (3754, 6910)]