39927920

素因数分解:

$2^4\times 5^1\times {\mathrm{499099}}^1$

素因数の和:499112

約数の個数: 20

約数和(自身を含む): 92832600

約数和(自身を除く): 52904680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 499099, 998198, 1996396, 2495495, 3992792, 4990990, 7985584, 9981980, 19963960, 39927920]

約数ペア:

[(1, 39927920), (2, 19963960), (4, 9981980), (5, 7985584), (8, 4990990), (10, 3992792), (16, 2495495), (20, 1996396), (40, 998198), (80, 499099)]