80804224

素因数分解:

$2^7\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{277}}^1$

素因数の和:387

約数の個数: 64

約数和(自身を含む): 168434640

約数和(自身を除く): 87630416

約数列:

[1, 2, 4, 8, 16, 32, 43, 53, 64, 86, 106, 128, 172, 212, 277, 344, 424, 554, 688, 848, 1108, 1376, 1696, 2216, 2279, 2752, 3392, 4432, 4558, 5504, 6784, 8864, 9116, 11911, 14681, 17728, 18232, 23822, 29362, 35456, 36464, 47644, 58724, 72928, 95288, 117448, 145856, 190576, 234896, 291712, 381152, 469792, 631283, 762304, 939584, 1262566, 1524608, 1879168, 2525132, 5050264, 10100528, 20201056, 40402112, 80804224]

約数ペア:

[(1, 80804224), (2, 40402112), (4, 20201056), (8, 10100528), (16, 5050264), (32, 2525132), (43, 1879168), (53, 1524608), (64, 1262566), (86, 939584), (106, 762304), (128, 631283), (172, 469792), (212, 381152), (277, 291712), (344, 234896), (424, 190576), (554, 145856), (688, 117448), (848, 95288), (1108, 72928), (1376, 58724), (1696, 47644), (2216, 36464), (2279, 35456), (2752, 29362), (3392, 23822), (4432, 18232), (4558, 17728), (5504, 14681), (6784, 11911), (8864, 9116)]