80428816

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{386677}}^1$

素因数の和:386698

約数の個数: 20

約数和(自身を含む): 167818252

約数和(自身を除く): 87389436

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 386677, 773354, 1546708, 3093416, 5026801, 6186832, 10053602, 20107204, 40214408, 80428816]

約数ペア:

[(1, 80428816), (2, 40214408), (4, 20107204), (8, 10053602), (13, 6186832), (16, 5026801), (26, 3093416), (52, 1546708), (104, 773354), (208, 386677)]