39808240

素因数分解:

$2^4\times 5^1\times {\mathrm{497603}}^1$

素因数の和:497616

約数の個数: 20

約数和(自身を含む): 92554344

約数和(自身を除く): 52746104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 497603, 995206, 1990412, 2488015, 3980824, 4976030, 7961648, 9952060, 19904120, 39808240]

約数ペア:

[(1, 39808240), (2, 19904120), (4, 9952060), (5, 7961648), (8, 4976030), (10, 3980824), (16, 2488015), (20, 1990412), (40, 995206), (80, 497603)]