25225820

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{13003}}^1$

素因数の和:13109

約数の個数: 24

約数和(自身を含む): 53524464

約数和(自身を除く): 28298644

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 13003, 26006, 52012, 65015, 130030, 260060, 1261291, 2522582, 5045164, 6306455, 12612910, 25225820]

約数ペア:

[(1, 25225820), (2, 12612910), (4, 6306455), (5, 5045164), (10, 2522582), (20, 1261291), (97, 260060), (194, 130030), (388, 65015), (485, 52012), (970, 26006), (1940, 13003)]