15906680

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{8461}}^1$

素因数の和:8519

約数の個数: 32

約数和(自身を含む): 36555840

約数和(自身を除く): 20649160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 8461, 16922, 33844, 42305, 67688, 84610, 169220, 338440, 397667, 795334, 1590668, 1988335, 3181336, 3976670, 7953340, 15906680]

約数ペア:

[(1, 15906680), (2, 7953340), (4, 3976670), (5, 3181336), (8, 1988335), (10, 1590668), (20, 795334), (40, 397667), (47, 338440), (94, 169220), (188, 84610), (235, 67688), (376, 42305), (470, 33844), (940, 16922), (1880, 8461)]