1121699840

素因数分解:

$2^{11}\times 5^1\times {\mathrm{109541}}^1$

素因数の和:109568

約数の個数: 48

約数和(自身を含む): 2691446940

約数和(自身を除く): 1569747100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 5120, 10240, 109541, 219082, 438164, 547705, 876328, 1095410, 1752656, 2190820, 3505312, 4381640, 7010624, 8763280, 14021248, 17526560, 28042496, 35053120, 56084992, 70106240, 112169984, 140212480, 224339968, 280424960, 560849920, 1121699840]

約数ペア:

[(1, 1121699840), (2, 560849920), (4, 280424960), (5, 224339968), (8, 140212480), (10, 112169984), (16, 70106240), (20, 56084992), (32, 35053120), (40, 28042496), (64, 17526560), (80, 14021248), (128, 8763280), (160, 7010624), (256, 4381640), (320, 3505312), (512, 2190820), (640, 1752656), (1024, 1095410), (1280, 876328), (2048, 547705), (2560, 438164), (5120, 219082), (10240, 109541)]