15765040

素因数分解:

$2^4\times 5^1\times {\mathrm{197063}}^1$

素因数の和:197076

約数の個数: 20

約数和(自身を含む): 36653904

約数和(自身を除く): 20888864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197063, 394126, 788252, 985315, 1576504, 1970630, 3153008, 3941260, 7882520, 15765040]

約数ペア:

[(1, 15765040), (2, 7882520), (4, 3941260), (5, 3153008), (8, 1970630), (10, 1576504), (16, 985315), (20, 788252), (40, 394126), (80, 197063)]