487746220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1875947}}^1$

素因数の和:1875969

約数の個数: 24

約数和(自身を含む): 1103057424

約数和(自身を除く): 615311204

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1875947, 3751894, 7503788, 9379735, 18759470, 24387311, 37518940, 48774622, 97549244, 121936555, 243873110, 487746220]

約数ペア:

[(1, 487746220), (2, 243873110), (4, 121936555), (5, 97549244), (10, 48774622), (13, 37518940), (20, 24387311), (26, 18759470), (52, 9379735), (65, 7503788), (130, 3751894), (260, 1875947)]