43282280

素因数分解:

$2^3\times 5^1\times {\mathrm{661}}^1\times {\mathrm{1637}}^1$

素因数の和:2309

約数の個数: 32

約数和(自身を含む): 97592040

約数和(自身を除く): 54309760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 661, 1322, 1637, 2644, 3274, 3305, 5288, 6548, 6610, 8185, 13096, 13220, 16370, 26440, 32740, 65480, 1082057, 2164114, 4328228, 5410285, 8656456, 10820570, 21641140, 43282280]

約数ペア:

[(1, 43282280), (2, 21641140), (4, 10820570), (5, 8656456), (8, 5410285), (10, 4328228), (20, 2164114), (40, 1082057), (661, 65480), (1322, 32740), (1637, 26440), (2644, 16370), (3274, 13220), (3305, 13096), (5288, 8185), (6548, 6610)]