67281580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197887}}^1$

素因数の和:197913

約数の個数: 24

約数和(自身を含む): 149603328

約数和(自身を除く): 82321748

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 197887, 395774, 791548, 989435, 1978870, 3364079, 3957740, 6728158, 13456316, 16820395, 33640790, 67281580]

約数ペア:

[(1, 67281580), (2, 33640790), (4, 16820395), (5, 13456316), (10, 6728158), (17, 3957740), (20, 3364079), (34, 1978870), (68, 989435), (85, 791548), (170, 395774), (340, 197887)]