79727920

素因数分解:

$2^4\times 5^1\times {\mathrm{996599}}^1$

素因数の和:996612

約数の個数: 20

約数和(自身を含む): 185367600

約数和(自身を除く): 105639680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 996599, 1993198, 3986396, 4982995, 7972792, 9965990, 15945584, 19931980, 39863960, 79727920]

約数ペア:

[(1, 79727920), (2, 39863960), (4, 19931980), (5, 15945584), (8, 9965990), (10, 7972792), (16, 4982995), (20, 3986396), (40, 1993198), (80, 996599)]