8235880

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1999}}^1$

素因数の和:2113

約数の個数: 32

約数和(自身を含む): 18720000

約数和(自身を除く): 10484120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 1999, 2060, 3998, 4120, 7996, 9995, 15992, 19990, 39980, 79960, 205897, 411794, 823588, 1029485, 1647176, 2058970, 4117940, 8235880]

約数ペア:

[(1, 8235880), (2, 4117940), (4, 2058970), (5, 1647176), (8, 1029485), (10, 823588), (20, 411794), (40, 205897), (103, 79960), (206, 39980), (412, 19990), (515, 15992), (824, 9995), (1030, 7996), (1999, 4120), (2060, 3998)]