25904740

素因数分解:

$2^2\times 5^1\times {\mathrm{991}}^1\times {\mathrm{1307}}^1$

素因数の和:2307

約数の個数: 24

約数和(自身を含む): 54496512

約数和(自身を除く): 28591772

約数列:

[1, 2, 4, 5, 10, 20, 991, 1307, 1982, 2614, 3964, 4955, 5228, 6535, 9910, 13070, 19820, 26140, 1295237, 2590474, 5180948, 6476185, 12952370, 25904740]

約数ペア:

[(1, 25904740), (2, 12952370), (4, 6476185), (5, 5180948), (10, 2590474), (20, 1295237), (991, 26140), (1307, 19820), (1982, 13070), (2614, 9910), (3964, 6535), (4955, 5228)]