13503640

素因数分解:

$2^3\times 5^1\times {\mathrm{439}}^1\times {\mathrm{769}}^1$

素因数の和:1219

約数の個数: 32

約数和(自身を含む): 30492000

約数和(自身を除く): 16988360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 439, 769, 878, 1538, 1756, 2195, 3076, 3512, 3845, 4390, 6152, 7690, 8780, 15380, 17560, 30760, 337591, 675182, 1350364, 1687955, 2700728, 3375910, 6751820, 13503640]

約数ペア:

[(1, 13503640), (2, 6751820), (4, 3375910), (5, 2700728), (8, 1687955), (10, 1350364), (20, 675182), (40, 337591), (439, 30760), (769, 17560), (878, 15380), (1538, 8780), (1756, 7690), (2195, 6152), (3076, 4390), (3512, 3845)]