871240

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{947}}^1$

素因数の和:981

約数の個数: 32

約数和(自身を含む): 2047680

約数和(自身を除く): 1176440

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 947, 1894, 3788, 4735, 7576, 9470, 18940, 21781, 37880, 43562, 87124, 108905, 174248, 217810, 435620, 871240]

約数ペア:

[(1, 871240), (2, 435620), (4, 217810), (5, 174248), (8, 108905), (10, 87124), (20, 43562), (23, 37880), (40, 21781), (46, 18940), (92, 9470), (115, 7576), (184, 4735), (230, 3788), (460, 1894), (920, 947)]