87906680

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{32801}}^1$

素因数の和:32879

約数の個数: 32

約数和(自身を含む): 200748240

約数和(自身を除く): 112841560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 32801, 65602, 131204, 164005, 262408, 328010, 656020, 1312040, 2197667, 4395334, 8790668, 10988335, 17581336, 21976670, 43953340, 87906680]

約数ペア:

[(1, 87906680), (2, 43953340), (4, 21976670), (5, 17581336), (8, 10988335), (10, 8790668), (20, 4395334), (40, 2197667), (67, 1312040), (134, 656020), (268, 328010), (335, 262408), (536, 164005), (670, 131204), (1340, 65602), (2680, 32801)]