80940976

素因数分解:

$2^4\times {\mathrm{691}}^1\times {\mathrm{7321}}^1$

素因数の和:8020

約数の個数: 20

約数和(自身を含む): 157071544

約数和(自身を除く): 76130568

約数列:

[1, 2, 4, 8, 16, 691, 1382, 2764, 5528, 7321, 11056, 14642, 29284, 58568, 117136, 5058811, 10117622, 20235244, 40470488, 80940976]

約数ペア:

[(1, 80940976), (2, 40470488), (4, 20235244), (8, 10117622), (16, 5058811), (691, 117136), (1382, 58568), (2764, 29284), (5528, 14642), (7321, 11056)]