78924280

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{41981}}^1$

素因数の和:42039

約数の個数: 32

約数和(自身を含む): 181362240

約数和(自身を除く): 102437960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 41981, 83962, 167924, 209905, 335848, 419810, 839620, 1679240, 1973107, 3946214, 7892428, 9865535, 15784856, 19731070, 39462140, 78924280]

約数ペア:

[(1, 78924280), (2, 39462140), (4, 19731070), (5, 15784856), (8, 9865535), (10, 7892428), (20, 3946214), (40, 1973107), (47, 1679240), (94, 839620), (188, 419810), (235, 335848), (376, 209905), (470, 167924), (940, 83962), (1880, 41981)]