802121260

素因数分解:

$2^2\times 5^1\times {\mathrm{10009}}^1\times {\mathrm{4007}}^1$

素因数の和:14025

約数の個数: 24

約数和(自身を含む): 1685043360

約数和(自身を除く): 882922100

約数列:

[1, 2, 4, 5, 10, 20, 4007, 8014, 10009, 16028, 20018, 20035, 40036, 40070, 50045, 80140, 100090, 200180, 40106063, 80212126, 160424252, 200530315, 401060630, 802121260]

約数ペア:

[(1, 802121260), (2, 401060630), (4, 200530315), (5, 160424252), (10, 80212126), (20, 40106063), (4007, 200180), (8014, 100090), (10009, 80140), (16028, 50045), (20018, 40070), (20035, 40036)]