163844440

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{37579}}^1$

素因数の和:37699

約数の個数: 32

約数和(自身を含む): 372042000

約数和(自身を除く): 208197560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 37579, 75158, 150316, 187895, 300632, 375790, 751580, 1503160, 4096111, 8192222, 16384444, 20480555, 32768888, 40961110, 81922220, 163844440]

約数ペア:

[(1, 163844440), (2, 81922220), (4, 40961110), (5, 32768888), (8, 20480555), (10, 16384444), (20, 8192222), (40, 4096111), (109, 1503160), (218, 751580), (436, 375790), (545, 300632), (872, 187895), (1090, 150316), (2180, 75158), (4360, 37579)]