1869640

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1087}}^1$

素因数の和:1141

約数の個数: 32

約数和(自身を含む): 4308480

約数和(自身を除く): 2438840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1087, 1720, 2174, 4348, 5435, 8696, 10870, 21740, 43480, 46741, 93482, 186964, 233705, 373928, 467410, 934820, 1869640]

約数ペア:

[(1, 1869640), (2, 934820), (4, 467410), (5, 373928), (8, 233705), (10, 186964), (20, 93482), (40, 46741), (43, 43480), (86, 21740), (172, 10870), (215, 8696), (344, 5435), (430, 4348), (860, 2174), (1087, 1720)]