39895480

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{21221}}^1$

素因数の和:21279

約数の個数: 32

約数和(自身を含む): 91679040

約数和(自身を除く): 51783560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 21221, 42442, 84884, 106105, 169768, 212210, 424420, 848840, 997387, 1994774, 3989548, 4986935, 7979096, 9973870, 19947740, 39895480]

約数ペア:

[(1, 39895480), (2, 19947740), (4, 9973870), (5, 7979096), (8, 4986935), (10, 3989548), (20, 1994774), (40, 997387), (47, 848840), (94, 424420), (188, 212210), (235, 169768), (376, 106105), (470, 84884), (940, 42442), (1880, 21221)]