2829990920

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{686891}}^1$

素因数の和:687005

約数の個数: 32

約数和(自身を含む): 6429309120

約数和(自身を除く): 3599318200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 686891, 1373782, 2747564, 3434455, 5495128, 6868910, 13737820, 27475640, 70749773, 141499546, 282999092, 353748865, 565998184, 707497730, 1414995460, 2829990920]

約数ペア:

[(1, 2829990920), (2, 1414995460), (4, 707497730), (5, 565998184), (8, 353748865), (10, 282999092), (20, 141499546), (40, 70749773), (103, 27475640), (206, 13737820), (412, 6868910), (515, 5495128), (824, 3434455), (1030, 2747564), (2060, 1373782), (4120, 686891)]