2116280

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{277}}^1$

素因数の和:479

約数の個数: 32

約数和(自身を含む): 4803840

約数和(自身を除く): 2687560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 277, 382, 554, 764, 955, 1108, 1385, 1528, 1910, 2216, 2770, 3820, 5540, 7640, 11080, 52907, 105814, 211628, 264535, 423256, 529070, 1058140, 2116280]

約数ペア:

[(1, 2116280), (2, 1058140), (4, 529070), (5, 423256), (8, 264535), (10, 211628), (20, 105814), (40, 52907), (191, 11080), (277, 7640), (382, 5540), (554, 3820), (764, 2770), (955, 2216), (1108, 1910), (1385, 1528)]