54115840

素因数分解:

$2^9\times 5^1\times {\mathrm{21139}}^1$

素因数の和:21162

約数の個数: 40

約数和(自身を含む): 129757320

約数和(自身を除く): 75641480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 21139, 42278, 84556, 105695, 169112, 211390, 338224, 422780, 676448, 845560, 1352896, 1691120, 2705792, 3382240, 5411584, 6764480, 10823168, 13528960, 27057920, 54115840]

約数ペア:

[(1, 54115840), (2, 27057920), (4, 13528960), (5, 10823168), (8, 6764480), (10, 5411584), (16, 3382240), (20, 2705792), (32, 1691120), (40, 1352896), (64, 845560), (80, 676448), (128, 422780), (160, 338224), (256, 211390), (320, 169112), (512, 105695), (640, 84556), (1280, 42278), (2560, 21139)]