38872720

素因数分解:

$2^4\times 5^1\times {\mathrm{485909}}^1$

素因数の和:485922

約数の個数: 20

約数和(自身を含む): 90379260

約数和(自身を除く): 51506540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 485909, 971818, 1943636, 2429545, 3887272, 4859090, 7774544, 9718180, 19436360, 38872720]

約数ペア:

[(1, 38872720), (2, 19436360), (4, 9718180), (5, 7774544), (8, 4859090), (10, 3887272), (16, 2429545), (20, 1943636), (40, 971818), (80, 485909)]