1996191520

素因数分解:

$2^5\times 5^1\times {\mathrm{47}}^1\times {\mathrm{265451}}^1$

素因数の和:265513

約数の個数: 48

約数和(自身を含む): 4816361088

約数和(自身を除く): 2820169568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 80, 94, 160, 188, 235, 376, 470, 752, 940, 1504, 1880, 3760, 7520, 265451, 530902, 1061804, 1327255, 2123608, 2654510, 4247216, 5309020, 8494432, 10618040, 12476197, 21236080, 24952394, 42472160, 49904788, 62380985, 99809576, 124761970, 199619152, 249523940, 399238304, 499047880, 998095760, 1996191520]

約数ペア:

[(1, 1996191520), (2, 998095760), (4, 499047880), (5, 399238304), (8, 249523940), (10, 199619152), (16, 124761970), (20, 99809576), (32, 62380985), (40, 49904788), (47, 42472160), (80, 24952394), (94, 21236080), (160, 12476197), (188, 10618040), (235, 8494432), (376, 5309020), (470, 4247216), (752, 2654510), (940, 2123608), (1504, 1327255), (1880, 1061804), (3760, 530902), (7520, 265451)]