2005540

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{673}}^1$

素因数の和:831

約数の個数: 24

約数和(自身を含む): 4246200

約数和(自身を除く): 2240660

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 673, 745, 1346, 1490, 2692, 2980, 3365, 6730, 13460, 100277, 200554, 401108, 501385, 1002770, 2005540]

約数ペア:

[(1, 2005540), (2, 1002770), (4, 501385), (5, 401108), (10, 200554), (20, 100277), (149, 13460), (298, 6730), (596, 3365), (673, 2980), (745, 2692), (1346, 1490)]