20170520

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{10729}}^1$

素因数の和:10787

約数の個数: 32

約数和(自身を含む): 46353600

約数和(自身を除く): 26183080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 10729, 21458, 42916, 53645, 85832, 107290, 214580, 429160, 504263, 1008526, 2017052, 2521315, 4034104, 5042630, 10085260, 20170520]

約数ペア:

[(1, 20170520), (2, 10085260), (4, 5042630), (5, 4034104), (8, 2521315), (10, 2017052), (20, 1008526), (40, 504263), (47, 429160), (94, 214580), (188, 107290), (235, 85832), (376, 53645), (470, 42916), (940, 21458), (1880, 10729)]