80780225

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{1663}}^1$

素因数の和:1769

約数の個数: 24

約数和(自身を含む): 105231360

約数和(自身を除く): 24451135

約数列:

[1, 5, 25, 29, 67, 145, 335, 725, 1663, 1675, 1943, 8315, 9715, 41575, 48227, 48575, 111421, 241135, 557105, 1205675, 2785525, 3231209, 16156045, 80780225]

約数ペア:

[(1, 80780225), (5, 16156045), (25, 3231209), (29, 2785525), (67, 1205675), (145, 557105), (335, 241135), (725, 111421), (1663, 48575), (1675, 48227), (1943, 41575), (8315, 9715)]