31157240

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{16573}}^1$

素因数の和:16631

約数の個数: 32

約数和(自身を含む): 71599680

約数和(自身を除く): 40442440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 16573, 33146, 66292, 82865, 132584, 165730, 331460, 662920, 778931, 1557862, 3115724, 3894655, 6231448, 7789310, 15578620, 31157240]

約数ペア:

[(1, 31157240), (2, 15578620), (4, 7789310), (5, 6231448), (8, 3894655), (10, 3115724), (20, 1557862), (40, 778931), (47, 662920), (94, 331460), (188, 165730), (235, 132584), (376, 82865), (470, 66292), (940, 33146), (1880, 16573)]