2021192720

素因数分解:

$2^4\times 5^1\times {\mathrm{941}}^1\times {\mathrm{26849}}^1$

素因数の和:27803

約数の個数: 40

約数和(自身を含む): 4704442200

約数和(自身を除く): 2683249480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 941, 1882, 3764, 4705, 7528, 9410, 15056, 18820, 26849, 37640, 53698, 75280, 107396, 134245, 214792, 268490, 429584, 536980, 1073960, 2147920, 25264909, 50529818, 101059636, 126324545, 202119272, 252649090, 404238544, 505298180, 1010596360, 2021192720]

約数ペア:

[(1, 2021192720), (2, 1010596360), (4, 505298180), (5, 404238544), (8, 252649090), (10, 202119272), (16, 126324545), (20, 101059636), (40, 50529818), (80, 25264909), (941, 2147920), (1882, 1073960), (3764, 536980), (4705, 429584), (7528, 268490), (9410, 214792), (15056, 134245), (18820, 107396), (26849, 75280), (37640, 53698)]