875480

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{509}}^1$

素因数の和:563

約数の個数: 32

約数和(自身を含む): 2019600

約数和(自身を除く): 1144120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 509, 860, 1018, 1720, 2036, 2545, 4072, 5090, 10180, 20360, 21887, 43774, 87548, 109435, 175096, 218870, 437740, 875480]

約数ペア:

[(1, 875480), (2, 437740), (4, 218870), (5, 175096), (8, 109435), (10, 87548), (20, 43774), (40, 21887), (43, 20360), (86, 10180), (172, 5090), (215, 4072), (344, 2545), (430, 2036), (509, 1720), (860, 1018)]