1245492880

素因数分解:

$2^4\times 5^1\times {\mathrm{15568661}}^1$

素因数の和:15568674

約数の個数: 20

約数和(自身を含む): 2895771132

約数和(自身を除く): 1650278252

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 15568661, 31137322, 62274644, 77843305, 124549288, 155686610, 249098576, 311373220, 622746440, 1245492880]

約数ペア:

[(1, 1245492880), (2, 622746440), (4, 311373220), (5, 249098576), (8, 155686610), (10, 124549288), (16, 77843305), (20, 62274644), (40, 31137322), (80, 15568661)]