7131908720

素因数分解:

$2^4\times 5^1\times {\mathrm{89148859}}^1$

素因数の和:89148872

約数の個数: 20

約数和(自身を含む): 16581687960

約数和(自身を除く): 9449779240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89148859, 178297718, 356595436, 445744295, 713190872, 891488590, 1426381744, 1782977180, 3565954360, 7131908720]

約数ペア:

[(1, 7131908720), (2, 3565954360), (4, 1782977180), (5, 1426381744), (8, 891488590), (10, 713190872), (16, 445744295), (20, 356595436), (40, 178297718), (80, 89148859)]