77961440

素因数分解:

$2^5\times 5^1\times {\mathrm{293}}^1\times {\mathrm{1663}}^1$

素因数の和:1971

約数の個数: 48

約数和(自身を含む): 184923648

約数和(自身を除く): 106962208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 293, 586, 1172, 1465, 1663, 2344, 2930, 3326, 4688, 5860, 6652, 8315, 9376, 11720, 13304, 16630, 23440, 26608, 33260, 46880, 53216, 66520, 133040, 266080, 487259, 974518, 1949036, 2436295, 3898072, 4872590, 7796144, 9745180, 15592288, 19490360, 38980720, 77961440]

約数ペア:

[(1, 77961440), (2, 38980720), (4, 19490360), (5, 15592288), (8, 9745180), (10, 7796144), (16, 4872590), (20, 3898072), (32, 2436295), (40, 1949036), (80, 974518), (160, 487259), (293, 266080), (586, 133040), (1172, 66520), (1465, 53216), (1663, 46880), (2344, 33260), (2930, 26608), (3326, 23440), (4688, 16630), (5860, 13304), (6652, 11720), (8315, 9376)]