9943280

素因数分解:

$2^4\times 5^1\times {\mathrm{124291}}^1$

素因数の和:124304

約数の個数: 20

約数和(自身を含む): 23118312

約数和(自身を除く): 13175032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 124291, 248582, 497164, 621455, 994328, 1242910, 1988656, 2485820, 4971640, 9943280]

約数ペア:

[(1, 9943280), (2, 4971640), (4, 2485820), (5, 1988656), (8, 1242910), (10, 994328), (16, 621455), (20, 497164), (40, 248582), (80, 124291)]