28227340

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{6329}}^1$

素因数の和:6561

約数の個数: 24

約数和(自身を含む): 59552640

約数和(自身を除く): 31325300

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4460, 6329, 12658, 25316, 31645, 63290, 126580, 1411367, 2822734, 5645468, 7056835, 14113670, 28227340]

約数ペア:

[(1, 28227340), (2, 14113670), (4, 7056835), (5, 5645468), (10, 2822734), (20, 1411367), (223, 126580), (446, 63290), (892, 31645), (1115, 25316), (2230, 12658), (4460, 6329)]