55697920

素因数分解:

$2^9\times 5^1\times {\mathrm{21757}}^1$

素因数の和:21780

約数の個数: 40

約数和(自身を含む): 133550604

約数和(自身を除く): 77852684

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 21757, 43514, 87028, 108785, 174056, 217570, 348112, 435140, 696224, 870280, 1392448, 1740560, 2784896, 3481120, 5569792, 6962240, 11139584, 13924480, 27848960, 55697920]

約数ペア:

[(1, 55697920), (2, 27848960), (4, 13924480), (5, 11139584), (8, 6962240), (10, 5569792), (16, 3481120), (20, 2784896), (32, 1740560), (40, 1392448), (64, 870280), (80, 696224), (128, 435140), (160, 348112), (256, 217570), (320, 174056), (512, 108785), (640, 87028), (1280, 43514), (2560, 21757)]