81738005075

素因数分解:

$5^2\times {\mathrm{67}}^1\times {\mathrm{2129}}^1\times {\mathrm{22921}}^1$

素因数の和:25127

約数の個数: 24

約数和(自身を含む): 102920696880

約数和(自身を除く): 21182691805

約数列:

[1, 5, 25, 67, 335, 1675, 2129, 10645, 22921, 53225, 114605, 142643, 573025, 713215, 1535707, 3566075, 7678535, 38392675, 48798809, 243994045, 1219970225, 3269520203, 16347601015, 81738005075]

約数ペア:

[(1, 81738005075), (5, 16347601015), (25, 3269520203), (67, 1219970225), (335, 243994045), (1675, 48798809), (2129, 38392675), (10645, 7678535), (22921, 3566075), (53225, 1535707), (114605, 713215), (142643, 573025)]