39876680

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{21211}}^1$

素因数の和:21269

約数の個数: 32

約数和(自身を含む): 91635840

約数和(自身を除く): 51759160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 21211, 42422, 84844, 106055, 169688, 212110, 424220, 848440, 996917, 1993834, 3987668, 4984585, 7975336, 9969170, 19938340, 39876680]

約数ペア:

[(1, 39876680), (2, 19938340), (4, 9969170), (5, 7975336), (8, 4984585), (10, 3987668), (20, 1993834), (40, 996917), (47, 848440), (94, 424220), (188, 212110), (235, 169688), (376, 106055), (470, 84844), (940, 42422), (1880, 21211)]