202210640

素因数分解:

$2^4\times 5^1\times {\mathrm{643}}^1\times {\mathrm{3931}}^1$

素因数の和:4587

約数の個数: 40

約数和(自身を含む): 470990688

約数和(自身を除く): 268780048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 643, 1286, 2572, 3215, 3931, 5144, 6430, 7862, 10288, 12860, 15724, 19655, 25720, 31448, 39310, 51440, 62896, 78620, 157240, 314480, 2527633, 5055266, 10110532, 12638165, 20221064, 25276330, 40442128, 50552660, 101105320, 202210640]

約数ペア:

[(1, 202210640), (2, 101105320), (4, 50552660), (5, 40442128), (8, 25276330), (10, 20221064), (16, 12638165), (20, 10110532), (40, 5055266), (80, 2527633), (643, 314480), (1286, 157240), (2572, 78620), (3215, 62896), (3931, 51440), (5144, 39310), (6430, 31448), (7862, 25720), (10288, 19655), (12860, 15724)]