25792220

素因数分解:

$2^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{1951}}^1$

素因数の和:2621

約数の個数: 24

約数和(自身を含む): 54273408

約数和(自身を除く): 28481188

約数列:

[1, 2, 4, 5, 10, 20, 661, 1322, 1951, 2644, 3305, 3902, 6610, 7804, 9755, 13220, 19510, 39020, 1289611, 2579222, 5158444, 6448055, 12896110, 25792220]

約数ペア:

[(1, 25792220), (2, 12896110), (4, 6448055), (5, 5158444), (10, 2579222), (20, 1289611), (661, 39020), (1322, 19510), (1951, 13220), (2644, 9755), (3305, 7804), (3902, 6610)]