28534360

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:316

約数の個数: 64

約数和(自身を含む): 66769920

約数和(自身を除く): 38235560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 127, 137, 164, 205, 254, 274, 328, 410, 508, 548, 635, 685, 820, 1016, 1096, 1270, 1370, 1640, 2540, 2740, 5080, 5207, 5480, 5617, 10414, 11234, 17399, 20828, 22468, 26035, 28085, 34798, 41656, 44936, 52070, 56170, 69596, 86995, 104140, 112340, 139192, 173990, 208280, 224680, 347980, 695960, 713359, 1426718, 2853436, 3566795, 5706872, 7133590, 14267180, 28534360]

約数ペア:

[(1, 28534360), (2, 14267180), (4, 7133590), (5, 5706872), (8, 3566795), (10, 2853436), (20, 1426718), (40, 713359), (41, 695960), (82, 347980), (127, 224680), (137, 208280), (164, 173990), (205, 139192), (254, 112340), (274, 104140), (328, 86995), (410, 69596), (508, 56170), (548, 52070), (635, 44936), (685, 41656), (820, 34798), (1016, 28085), (1096, 26035), (1270, 22468), (1370, 20828), (1640, 17399), (2540, 11234), (2740, 10414), (5080, 5617), (5207, 5480)]