9979810

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{241}}^1$

素因数の和:390

約数の個数: 32

約数和(自身を含む): 18661104

約数和(自身を除く): 8681294

約数列:

[1, 2, 5, 10, 41, 82, 101, 202, 205, 241, 410, 482, 505, 1010, 1205, 2410, 4141, 8282, 9881, 19762, 20705, 24341, 41410, 48682, 49405, 98810, 121705, 243410, 997981, 1995962, 4989905, 9979810]

約数ペア:

[(1, 9979810), (2, 4989905), (5, 1995962), (10, 997981), (41, 243410), (82, 121705), (101, 98810), (202, 49405), (205, 48682), (241, 41410), (410, 24341), (482, 20705), (505, 19762), (1010, 9881), (1205, 8282), (2410, 4141)]