25272980

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{9091}}^1$

素因数の和:9239

約数の個数: 24

約数和(自身を含む): 53460960

約数和(自身を除く): 28187980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 9091, 18182, 36364, 45455, 90910, 181820, 1263649, 2527298, 5054596, 6318245, 12636490, 25272980]

約数ペア:

[(1, 25272980), (2, 12636490), (4, 6318245), (5, 5054596), (10, 2527298), (20, 1263649), (139, 181820), (278, 90910), (556, 45455), (695, 36364), (1390, 18182), (2780, 9091)]