25221860

素因数分解:

$2^2\times 5^1\times {\mathrm{1117}}^1\times {\mathrm{1129}}^1$

素因数の和:2255

約数の個数: 24

約数和(自身を含む): 53060280

約数和(自身を除く): 27838420

約数列:

[1, 2, 4, 5, 10, 20, 1117, 1129, 2234, 2258, 4468, 4516, 5585, 5645, 11170, 11290, 22340, 22580, 1261093, 2522186, 5044372, 6305465, 12610930, 25221860]

約数ペア:

[(1, 25221860), (2, 12610930), (4, 6305465), (5, 5044372), (10, 2522186), (20, 1261093), (1117, 22580), (1129, 22340), (2234, 11290), (2258, 11170), (4468, 5645), (4516, 5585)]