268097360

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{81737}}^1$

素因数の和:81791

約数の個数: 40

約数和(自身を含む): 638537256

約数和(自身を除く): 370439896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 81737, 163474, 326948, 408685, 653896, 817370, 1307792, 1634740, 3269480, 3351217, 6538960, 6702434, 13404868, 16756085, 26809736, 33512170, 53619472, 67024340, 134048680, 268097360]

約数ペア:

[(1, 268097360), (2, 134048680), (4, 67024340), (5, 53619472), (8, 33512170), (10, 26809736), (16, 16756085), (20, 13404868), (40, 6702434), (41, 6538960), (80, 3351217), (82, 3269480), (164, 1634740), (205, 1307792), (328, 817370), (410, 653896), (656, 408685), (820, 326948), (1640, 163474), (3280, 81737)]