248976440

素因数分解:

$2^3\times 5^1\times {\mathrm{6224411}}^1$

素因数の和:6224422

約数の個数: 16

約数和(自身を含む): 560197080

約数和(自身を除く): 311220640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6224411, 12448822, 24897644, 31122055, 49795288, 62244110, 124488220, 248976440]

約数ペア:

[(1, 248976440), (2, 124488220), (4, 62244110), (5, 49795288), (8, 31122055), (10, 24897644), (20, 12448822), (40, 6224411)]