68315920

素因数分解:

$2^4\times 5^1\times {\mathrm{853949}}^1$

素因数の和:853962

約数の個数: 20

約数和(自身を含む): 158834700

約数和(自身を除く): 90518780

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 853949, 1707898, 3415796, 4269745, 6831592, 8539490, 13663184, 17078980, 34157960, 68315920]

約数ペア:

[(1, 68315920), (2, 34157960), (4, 17078980), (5, 13663184), (8, 8539490), (10, 6831592), (16, 4269745), (20, 3415796), (40, 1707898), (80, 853949)]