8887240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5167}}^1$

素因数の和:5221

約数の個数: 32

約数和(自身を含む): 20465280

約数和(自身を除く): 11578040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 5167, 10334, 20668, 25835, 41336, 51670, 103340, 206680, 222181, 444362, 888724, 1110905, 1777448, 2221810, 4443620, 8887240]

約数ペア:

[(1, 8887240), (2, 4443620), (4, 2221810), (5, 1777448), (8, 1110905), (10, 888724), (20, 444362), (40, 222181), (43, 206680), (86, 103340), (172, 51670), (215, 41336), (344, 25835), (430, 20668), (860, 10334), (1720, 5167)]