13266354190

素因数分解:

$2^1\times 5^1\times {\mathrm{2081}}^1\times {\mathrm{637499}}^1$

素因数の和:639587

約数の個数: 16

約数和(自身を含む): 23890950000

約数和(自身を除く): 10624595810

約数列:

[1, 2, 5, 10, 2081, 4162, 10405, 20810, 637499, 1274998, 3187495, 6374990, 1326635419, 2653270838, 6633177095, 13266354190]

約数ペア:

[(1, 13266354190), (2, 6633177095), (5, 2653270838), (10, 1326635419), (2081, 6374990), (4162, 3187495), (10405, 1274998), (20810, 637499)]