81273070

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{10433}}^1$

素因数の和:10500

約数の個数: 32

約数和(自身を含む): 157762080

約数和(自身を除く): 76489010

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 190, 205, 410, 779, 1558, 3895, 7790, 10433, 20866, 52165, 104330, 198227, 396454, 427753, 855506, 991135, 1982270, 2138765, 4277530, 8127307, 16254614, 40636535, 81273070]

約数ペア:

[(1, 81273070), (2, 40636535), (5, 16254614), (10, 8127307), (19, 4277530), (38, 2138765), (41, 1982270), (82, 991135), (95, 855506), (190, 427753), (205, 396454), (410, 198227), (779, 104330), (1558, 52165), (3895, 20866), (7790, 10433)]