55651840

素因数分解:

$2^9\times 5^1\times {\mathrm{21739}}^1$

素因数の和:21762

約数の個数: 40

約数和(自身を含む): 133440120

約数和(自身を除く): 77788280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 21739, 43478, 86956, 108695, 173912, 217390, 347824, 434780, 695648, 869560, 1391296, 1739120, 2782592, 3478240, 5565184, 6956480, 11130368, 13912960, 27825920, 55651840]

約数ペア:

[(1, 55651840), (2, 27825920), (4, 13912960), (5, 11130368), (8, 6956480), (10, 5565184), (16, 3478240), (20, 2782592), (32, 1739120), (40, 1391296), (64, 869560), (80, 695648), (128, 434780), (160, 347824), (256, 217390), (320, 173912), (512, 108695), (640, 86956), (1280, 43478), (2560, 21739)]