55687040

素因数分解:

$2^7\times 5^1\times {\mathrm{87011}}^1$

素因数の和:87030

約数の個数: 32

約数和(自身を含む): 133128360

約数和(自身を除く): 77441320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 87011, 174022, 348044, 435055, 696088, 870110, 1392176, 1740220, 2784352, 3480440, 5568704, 6960880, 11137408, 13921760, 27843520, 55687040]

約数ペア:

[(1, 55687040), (2, 27843520), (4, 13921760), (5, 11137408), (8, 6960880), (10, 5568704), (16, 3480440), (20, 2784352), (32, 1740220), (40, 1392176), (64, 870110), (80, 696088), (128, 435055), (160, 348044), (320, 174022), (640, 87011)]