67660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1$

素因数の和:225

約数の個数: 24

約数和(自身を含む): 151200

約数和(自身を除く): 83540

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 199, 340, 398, 796, 995, 1990, 3383, 3980, 6766, 13532, 16915, 33830, 67660]

約数ペア:

[(1, 67660), (2, 33830), (4, 16915), (5, 13532), (10, 6766), (17, 3980), (20, 3383), (34, 1990), (68, 995), (85, 796), (170, 398), (199, 340)]