38542840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{137653}}^1$

素因数の和:137671

約数の個数: 32

約数和(自身を含む): 99110880

約数和(自身を除く): 60568040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 137653, 275306, 550612, 688265, 963571, 1101224, 1376530, 1927142, 2753060, 3854284, 4817855, 5506120, 7708568, 9635710, 19271420, 38542840]

約数ペア:

[(1, 38542840), (2, 19271420), (4, 9635710), (5, 7708568), (7, 5506120), (8, 4817855), (10, 3854284), (14, 2753060), (20, 1927142), (28, 1376530), (35, 1101224), (40, 963571), (56, 688265), (70, 550612), (140, 275306), (280, 137653)]