25672880

素因数分解:

$2^4\times 5^1\times {\mathrm{320911}}^1$

素因数の和:320924

約数の個数: 20

約数和(自身を含む): 59689632

約数和(自身を除く): 34016752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 320911, 641822, 1283644, 1604555, 2567288, 3209110, 5134576, 6418220, 12836440, 25672880]

約数ペア:

[(1, 25672880), (2, 12836440), (4, 6418220), (5, 5134576), (8, 3209110), (10, 2567288), (16, 1604555), (20, 1283644), (40, 641822), (80, 320911)]