80864440

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{43013}}^1$

素因数の和:43071

約数の個数: 32

約数和(自身を含む): 185820480

約数和(自身を除く): 104956040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 43013, 86026, 172052, 215065, 344104, 430130, 860260, 1720520, 2021611, 4043222, 8086444, 10108055, 16172888, 20216110, 40432220, 80864440]

約数ペア:

[(1, 80864440), (2, 40432220), (4, 20216110), (5, 16172888), (8, 10108055), (10, 8086444), (20, 4043222), (40, 2021611), (47, 1720520), (94, 860260), (188, 430130), (235, 344104), (376, 215065), (470, 172052), (940, 86026), (1880, 43013)]