25974220

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{7507}}^1$

素因数の和:7689

約数の個数: 24

約数和(自身を含む): 54868464

約数和(自身を除く): 28894244

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3460, 7507, 15014, 30028, 37535, 75070, 150140, 1298711, 2597422, 5194844, 6493555, 12987110, 25974220]

約数ペア:

[(1, 25974220), (2, 12987110), (4, 6493555), (5, 5194844), (10, 2597422), (20, 1298711), (173, 150140), (346, 75070), (692, 37535), (865, 30028), (1730, 15014), (3460, 7507)]