39823880

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{5003}}^1$

素因数の和:5213

約数の個数: 32

約数和(自身を含む): 90072000

約数和(自身を除く): 50248120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980, 5003, 7960, 10006, 20012, 25015, 40024, 50030, 100060, 200120, 995597, 1991194, 3982388, 4977985, 7964776, 9955970, 19911940, 39823880]

約数ペア:

[(1, 39823880), (2, 19911940), (4, 9955970), (5, 7964776), (8, 4977985), (10, 3982388), (20, 1991194), (40, 995597), (199, 200120), (398, 100060), (796, 50030), (995, 40024), (1592, 25015), (1990, 20012), (3980, 10006), (5003, 7960)]