80878816

素因数分解:

$2^5\times {\mathrm{641}}^1\times {\mathrm{3943}}^1$

素因数の和:4594

約数の個数: 24

約数和(自身を含む): 159519024

約数和(自身を除く): 78640208

約数列:

[1, 2, 4, 8, 16, 32, 641, 1282, 2564, 3943, 5128, 7886, 10256, 15772, 20512, 31544, 63088, 126176, 2527463, 5054926, 10109852, 20219704, 40439408, 80878816]

約数ペア:

[(1, 80878816), (2, 40439408), (4, 20219704), (8, 10109852), (16, 5054926), (32, 2527463), (641, 126176), (1282, 63088), (2564, 31544), (3943, 20512), (5128, 15772), (7886, 10256)]