211825840

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{20849}}^1$

素因数の和:20989

約数の個数: 40

約数和(自身を含む): 496396800

約数和(自身を除く): 284570960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 10160, 20849, 41698, 83396, 104245, 166792, 208490, 333584, 416980, 833960, 1667920, 2647823, 5295646, 10591292, 13239115, 21182584, 26478230, 42365168, 52956460, 105912920, 211825840]

約数ペア:

[(1, 211825840), (2, 105912920), (4, 52956460), (5, 42365168), (8, 26478230), (10, 21182584), (16, 13239115), (20, 10591292), (40, 5295646), (80, 2647823), (127, 1667920), (254, 833960), (508, 416980), (635, 333584), (1016, 208490), (1270, 166792), (2032, 104245), (2540, 83396), (5080, 41698), (10160, 20849)]