39140912

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{647}}^1$

素因数の和:873

約数の個数: 40

約数和(自身を含む): 80352000

約数和(自身を除く): 41211088

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 199, 304, 398, 647, 796, 1294, 1592, 2588, 3184, 3781, 5176, 7562, 10352, 12293, 15124, 24586, 30248, 49172, 60496, 98344, 128753, 196688, 257506, 515012, 1030024, 2060048, 2446307, 4892614, 9785228, 19570456, 39140912]

約数ペア:

[(1, 39140912), (2, 19570456), (4, 9785228), (8, 4892614), (16, 2446307), (19, 2060048), (38, 1030024), (76, 515012), (152, 257506), (199, 196688), (304, 128753), (398, 98344), (647, 60496), (796, 49172), (1294, 30248), (1592, 24586), (2588, 15124), (3184, 12293), (3781, 10352), (5176, 7562)]