7947920

素因数分解:

$2^4\times 5^1\times {\mathrm{99349}}^1$

素因数の和:99362

約数の個数: 20

約数和(自身を含む): 18479100

約数和(自身を除く): 10531180

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 99349, 198698, 397396, 496745, 794792, 993490, 1589584, 1986980, 3973960, 7947920]

約数ペア:

[(1, 7947920), (2, 3973960), (4, 1986980), (5, 1589584), (8, 993490), (10, 794792), (16, 496745), (20, 397396), (40, 198698), (80, 99349)]