30407120

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{8087}}^1$

素因数の和:8147

約数の個数: 40

約数和(自身を含む): 72209664

約数和(自身を除く): 41802544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 8087, 16174, 32348, 40435, 64696, 80870, 129392, 161740, 323480, 380089, 646960, 760178, 1520356, 1900445, 3040712, 3800890, 6081424, 7601780, 15203560, 30407120]

約数ペア:

[(1, 30407120), (2, 15203560), (4, 7601780), (5, 6081424), (8, 3800890), (10, 3040712), (16, 1900445), (20, 1520356), (40, 760178), (47, 646960), (80, 380089), (94, 323480), (188, 161740), (235, 129392), (376, 80870), (470, 64696), (752, 40435), (940, 32348), (1880, 16174), (3760, 8087)]