39831560

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{21187}}^1$

素因数の和:21245

約数の個数: 32

約数和(自身を含む): 91532160

約数和(自身を除く): 51700600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 21187, 42374, 84748, 105935, 169496, 211870, 423740, 847480, 995789, 1991578, 3983156, 4978945, 7966312, 9957890, 19915780, 39831560]

約数ペア:

[(1, 39831560), (2, 19915780), (4, 9957890), (5, 7966312), (8, 4978945), (10, 3983156), (20, 1991578), (40, 995789), (47, 847480), (94, 423740), (188, 211870), (235, 169496), (376, 105935), (470, 84748), (940, 42374), (1880, 21187)]