90639520

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^2\times {\mathrm{337}}^1$

素因数の和:434

約数の個数: 72

約数和(自身を含む): 220137372

約数和(自身を除く): 129497852

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 337, 410, 656, 674, 820, 1312, 1348, 1640, 1681, 1685, 2696, 3280, 3362, 3370, 5392, 6560, 6724, 6740, 8405, 10784, 13448, 13480, 13817, 16810, 26896, 26960, 27634, 33620, 53792, 53920, 55268, 67240, 69085, 110536, 134480, 138170, 221072, 268960, 276340, 442144, 552680, 566497, 1105360, 1132994, 2210720, 2265988, 2832485, 4531976, 5664970, 9063952, 11329940, 18127904, 22659880, 45319760, 90639520]

約数ペア:

[(1, 90639520), (2, 45319760), (4, 22659880), (5, 18127904), (8, 11329940), (10, 9063952), (16, 5664970), (20, 4531976), (32, 2832485), (40, 2265988), (41, 2210720), (80, 1132994), (82, 1105360), (160, 566497), (164, 552680), (205, 442144), (328, 276340), (337, 268960), (410, 221072), (656, 138170), (674, 134480), (820, 110536), (1312, 69085), (1348, 67240), (1640, 55268), (1681, 53920), (1685, 53792), (2696, 33620), (3280, 27634), (3362, 26960), (3370, 26896), (5392, 16810), (6560, 13817), (6724, 13480), (6740, 13448), (8405, 10784)]