20540200

素因数分解:

$2^3\times 5^2\times {\mathrm{102701}}^1$

素因数の和:102717

約数の個数: 24

約数和(自身を含む): 47756430

約数和(自身を除く): 27216230

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 102701, 205402, 410804, 513505, 821608, 1027010, 2054020, 2567525, 4108040, 5135050, 10270100, 20540200]

約数ペア:

[(1, 20540200), (2, 10270100), (4, 5135050), (5, 4108040), (8, 2567525), (10, 2054020), (20, 1027010), (25, 821608), (40, 513505), (50, 410804), (100, 205402), (200, 102701)]