25512940

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{13151}}^1$

素因数の和:13257

約数の個数: 24

約数和(自身を含む): 54133632

約数和(自身を除く): 28620692

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 13151, 26302, 52604, 65755, 131510, 263020, 1275647, 2551294, 5102588, 6378235, 12756470, 25512940]

約数ペア:

[(1, 25512940), (2, 12756470), (4, 6378235), (5, 5102588), (10, 2551294), (20, 1275647), (97, 263020), (194, 131510), (388, 65755), (485, 52604), (970, 26302), (1940, 13151)]