2851840

素因数分解:

$2^{10}\times 5^1\times {\mathrm{557}}^1$

素因数の和:582

約数の個数: 44

約数和(自身を含む): 6853356

約数和(自身を除く): 4001516

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 557, 640, 1024, 1114, 1280, 2228, 2560, 2785, 4456, 5120, 5570, 8912, 11140, 17824, 22280, 35648, 44560, 71296, 89120, 142592, 178240, 285184, 356480, 570368, 712960, 1425920, 2851840]

約数ペア:

[(1, 2851840), (2, 1425920), (4, 712960), (5, 570368), (8, 356480), (10, 285184), (16, 178240), (20, 142592), (32, 89120), (40, 71296), (64, 44560), (80, 35648), (128, 22280), (160, 17824), (256, 11140), (320, 8912), (512, 5570), (557, 5120), (640, 4456), (1024, 2785), (1114, 2560), (1280, 2228)]