28837940

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{13999}}^1$

素因数の和:14111

約数の個数: 24

約数和(自身を含む): 61152000

約数和(自身を除く): 32314060

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 13999, 27998, 55996, 69995, 139990, 279980, 1441897, 2883794, 5767588, 7209485, 14418970, 28837940]

約数ペア:

[(1, 28837940), (2, 14418970), (4, 7209485), (5, 5767588), (10, 2883794), (20, 1441897), (103, 279980), (206, 139990), (412, 69995), (515, 55996), (1030, 27998), (2060, 13999)]