156901517420

素因数分解:

$2^2\times 5^1\times {\mathrm{7845075871}}^1$

素因数の和:7845075880

約数の個数: 12

約数和(自身を含む): 329493186624

約数和(自身を除く): 172591669204

約数列:

[1, 2, 4, 5, 10, 20, 7845075871, 15690151742, 31380303484, 39225379355, 78450758710, 156901517420]

約数ペア:

[(1, 156901517420), (2, 78450758710), (4, 39225379355), (5, 31380303484), (10, 15690151742), (20, 7845075871)]