38865980

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^2\times {\mathrm{1051}}^1$

素因数の和:1146

約数の個数: 36

約数和(自身を含む): 83640312

約数和(自身を除く): 44774332

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 1051, 1849, 2102, 3698, 4204, 5255, 7396, 9245, 10510, 18490, 21020, 36980, 45193, 90386, 180772, 225965, 451930, 903860, 1943299, 3886598, 7773196, 9716495, 19432990, 38865980]

約数ペア:

[(1, 38865980), (2, 19432990), (4, 9716495), (5, 7773196), (10, 3886598), (20, 1943299), (43, 903860), (86, 451930), (172, 225965), (215, 180772), (430, 90386), (860, 45193), (1051, 36980), (1849, 21020), (2102, 18490), (3698, 10510), (4204, 9245), (5255, 7396)]