7942713880

素因数分解:

$2^3\times 5^1\times {\mathrm{198567847}}^1$

素因数の和:198567858

約数の個数: 16

約数和(自身を含む): 17871106320

約数和(自身を除く): 9928392440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 198567847, 397135694, 794271388, 992839235, 1588542776, 1985678470, 3971356940, 7942713880]

約数ペア:

[(1, 7942713880), (2, 3971356940), (4, 1985678470), (5, 1588542776), (8, 992839235), (10, 794271388), (20, 397135694), (40, 198567847)]