25694120

素因数分解:

$2^3\times 5^1\times {\mathrm{487}}^1\times {\mathrm{1319}}^1$

素因数の和:1817

約数の個数: 32

約数和(自身を含む): 57974400

約数和(自身を除く): 32280280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 487, 974, 1319, 1948, 2435, 2638, 3896, 4870, 5276, 6595, 9740, 10552, 13190, 19480, 26380, 52760, 642353, 1284706, 2569412, 3211765, 5138824, 6423530, 12847060, 25694120]

約数ペア:

[(1, 25694120), (2, 12847060), (4, 6423530), (5, 5138824), (8, 3211765), (10, 2569412), (20, 1284706), (40, 642353), (487, 52760), (974, 26380), (1319, 19480), (1948, 13190), (2435, 10552), (2638, 9740), (3896, 6595), (4870, 5276)]