80721292

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{509}}^1\times {\mathrm{967}}^1$

素因数の和:1521

約数の個数: 24

約数和(自身を含む): 145141920

約数和(自身を除く): 64420628

約数列:

[1, 2, 4, 41, 82, 164, 509, 967, 1018, 1934, 2036, 3868, 20869, 39647, 41738, 79294, 83476, 158588, 492203, 984406, 1968812, 20180323, 40360646, 80721292]

約数ペア:

[(1, 80721292), (2, 40360646), (4, 20180323), (41, 1968812), (82, 984406), (164, 492203), (509, 158588), (967, 83476), (1018, 79294), (1934, 41738), (2036, 39647), (3868, 20869)]