140396080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{159541}}^1$

素因数の和:159565

約数の個数: 40

約数和(自身を含む): 356097744

約数和(自身を除く): 215701664

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 159541, 319082, 638164, 797705, 1276328, 1595410, 1754951, 2552656, 3190820, 3509902, 6381640, 7019804, 8774755, 12763280, 14039608, 17549510, 28079216, 35099020, 70198040, 140396080]

約数ペア:

[(1, 140396080), (2, 70198040), (4, 35099020), (5, 28079216), (8, 17549510), (10, 14039608), (11, 12763280), (16, 8774755), (20, 7019804), (22, 6381640), (40, 3509902), (44, 3190820), (55, 2552656), (80, 1754951), (88, 1595410), (110, 1276328), (176, 797705), (220, 638164), (440, 319082), (880, 159541)]