80440816

素因数分解:

$2^4\times {\mathrm{1097}}^1\times {\mathrm{4583}}^1$

素因数の和:5688

約数の個数: 20

約数和(自身を含む): 156030192

約数和(自身を除く): 75589376

約数列:

[1, 2, 4, 8, 16, 1097, 2194, 4388, 4583, 8776, 9166, 17552, 18332, 36664, 73328, 5027551, 10055102, 20110204, 40220408, 80440816]

約数ペア:

[(1, 80440816), (2, 40220408), (4, 20110204), (8, 10055102), (16, 5027551), (1097, 73328), (2194, 36664), (4388, 18332), (4583, 17552), (8776, 9166)]