2172947240

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1155823}}^1$

素因数の和:1155881

約数の個数: 32

約数和(自身を含む): 4993159680

約数和(自身を除く): 2820212440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 1155823, 2311646, 4623292, 5779115, 9246584, 11558230, 23116460, 46232920, 54323681, 108647362, 217294724, 271618405, 434589448, 543236810, 1086473620, 2172947240]

約数ペア:

[(1, 2172947240), (2, 1086473620), (4, 543236810), (5, 434589448), (8, 271618405), (10, 217294724), (20, 108647362), (40, 54323681), (47, 46232920), (94, 23116460), (188, 11558230), (235, 9246584), (376, 5779115), (470, 4623292), (940, 2311646), (1880, 1155823)]