28194680

素因数分解:

$2^3\times 5^1\times {\mathrm{704867}}^1$

素因数の和:704878

約数の個数: 16

約数和(自身を含む): 63438120

約数和(自身を除く): 35243440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 704867, 1409734, 2819468, 3524335, 5638936, 7048670, 14097340, 28194680]

約数ペア:

[(1, 28194680), (2, 14097340), (4, 7048670), (5, 5638936), (8, 3524335), (10, 2819468), (20, 1409734), (40, 704867)]