25416740

素因数分解:

$2^2\times 5^1\times {\mathrm{811}}^1\times {\mathrm{1567}}^1$

素因数の和:2387

約数の個数: 24

約数和(自身を含む): 53475072

約数和(自身を除く): 28058332

約数列:

[1, 2, 4, 5, 10, 20, 811, 1567, 1622, 3134, 3244, 4055, 6268, 7835, 8110, 15670, 16220, 31340, 1270837, 2541674, 5083348, 6354185, 12708370, 25416740]

約数ペア:

[(1, 25416740), (2, 12708370), (4, 6354185), (5, 5083348), (10, 2541674), (20, 1270837), (811, 31340), (1567, 16220), (1622, 15670), (3134, 8110), (3244, 7835), (4055, 6268)]