2019427640

素因数分解:

$2^3\times 5^1\times {\mathrm{50485691}}^1$

素因数の和:50485702

約数の個数: 16

約数和(自身を含む): 4543712280

約数和(自身を除く): 2524284640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 50485691, 100971382, 201942764, 252428455, 403885528, 504856910, 1009713820, 2019427640]

約数ペア:

[(1, 2019427640), (2, 1009713820), (4, 504856910), (5, 403885528), (8, 252428455), (10, 201942764), (20, 100971382), (40, 50485691)]