86846840

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{19919}}^1$

素因数の和:20039

約数の個数: 32

約数和(自身を含む): 197208000

約数和(自身を除く): 110361160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 19919, 39838, 79676, 99595, 159352, 199190, 398380, 796760, 2171171, 4342342, 8684684, 10855855, 17369368, 21711710, 43423420, 86846840]

約数ペア:

[(1, 86846840), (2, 43423420), (4, 21711710), (5, 17369368), (8, 10855855), (10, 8684684), (20, 4342342), (40, 2171171), (109, 796760), (218, 398380), (436, 199190), (545, 159352), (872, 99595), (1090, 79676), (2180, 39838), (4360, 19919)]