1338220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5147}}^1$

素因数の和:5169

約数の個数: 24

約数和(自身を含む): 3027024

約数和(自身を除く): 1688804

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 5147, 10294, 20588, 25735, 51470, 66911, 102940, 133822, 267644, 334555, 669110, 1338220]

約数ペア:

[(1, 1338220), (2, 669110), (4, 334555), (5, 267644), (10, 133822), (13, 102940), (20, 66911), (26, 51470), (52, 25735), (65, 20588), (130, 10294), (260, 5147)]