2645491180

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1\times {\mathrm{5783}}^1$

素因数の和:6138

約数の個数: 48

約数和(自身を含む): 5640788160

約数和(自身を除く): 2995296980

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 257, 356, 445, 514, 890, 1028, 1285, 1780, 2570, 5140, 5783, 11566, 22873, 23132, 28915, 45746, 57830, 91492, 114365, 115660, 228730, 457460, 514687, 1029374, 1486231, 2058748, 2573435, 2972462, 5146870, 5944924, 7431155, 10293740, 14862310, 29724620, 132274559, 264549118, 529098236, 661372795, 1322745590, 2645491180]

約数ペア:

[(1, 2645491180), (2, 1322745590), (4, 661372795), (5, 529098236), (10, 264549118), (20, 132274559), (89, 29724620), (178, 14862310), (257, 10293740), (356, 7431155), (445, 5944924), (514, 5146870), (890, 2972462), (1028, 2573435), (1285, 2058748), (1780, 1486231), (2570, 1029374), (5140, 514687), (5783, 457460), (11566, 228730), (22873, 115660), (23132, 114365), (28915, 91492), (45746, 57830)]