42541960

素因数分解:

$2^3\times 5^1\times {\mathrm{661}}^1\times {\mathrm{1609}}^1$

素因数の和:2281

約数の個数: 32

約数和(自身を含む): 95923800

約数和(自身を除く): 53381840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 661, 1322, 1609, 2644, 3218, 3305, 5288, 6436, 6610, 8045, 12872, 13220, 16090, 26440, 32180, 64360, 1063549, 2127098, 4254196, 5317745, 8508392, 10635490, 21270980, 42541960]

約数ペア:

[(1, 42541960), (2, 21270980), (4, 10635490), (5, 8508392), (8, 5317745), (10, 4254196), (20, 2127098), (40, 1063549), (661, 64360), (1322, 32180), (1609, 26440), (2644, 16090), (3218, 13220), (3305, 12872), (5288, 8045), (6436, 6610)]