86704540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{333479}}^1$

素因数の和:333501

約数の個数: 24

約数和(自身を含む): 196086240

約数和(自身を除く): 109381700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 333479, 666958, 1333916, 1667395, 3334790, 4335227, 6669580, 8670454, 17340908, 21676135, 43352270, 86704540]

約数ペア:

[(1, 86704540), (2, 43352270), (4, 21676135), (5, 17340908), (10, 8670454), (13, 6669580), (20, 4335227), (26, 3334790), (52, 1667395), (65, 1333916), (130, 666958), (260, 333479)]