159148720

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{18251}}^1$

素因数の和:18373

約数の個数: 40

約数和(自身を含む): 373435920

約数和(自身を除く): 214287200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8720, 18251, 36502, 73004, 91255, 146008, 182510, 292016, 365020, 730040, 1460080, 1989359, 3978718, 7957436, 9946795, 15914872, 19893590, 31829744, 39787180, 79574360, 159148720]

約数ペア:

[(1, 159148720), (2, 79574360), (4, 39787180), (5, 31829744), (8, 19893590), (10, 15914872), (16, 9946795), (20, 7957436), (40, 3978718), (80, 1989359), (109, 1460080), (218, 730040), (436, 365020), (545, 292016), (872, 182510), (1090, 146008), (1744, 91255), (2180, 73004), (4360, 36502), (8720, 18251)]