80489776

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{264769}}^1$

素因数の和:264796

約数の個数: 20

約数和(自身を含む): 164157400

約数和(自身を除く): 83667624

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 264769, 529538, 1059076, 2118152, 4236304, 5030611, 10061222, 20122444, 40244888, 80489776]

約数ペア:

[(1, 80489776), (2, 40244888), (4, 20122444), (8, 10061222), (16, 5030611), (19, 4236304), (38, 2118152), (76, 1059076), (152, 529538), (304, 264769)]