55143040

素因数分解:

$2^7\times 5^1\times {\mathrm{86161}}^1$

素因数の和:86180

約数の個数: 32

約数和(自身を含む): 131827860

約数和(自身を除く): 76684820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 86161, 172322, 344644, 430805, 689288, 861610, 1378576, 1723220, 2757152, 3446440, 5514304, 6892880, 11028608, 13785760, 27571520, 55143040]

約数ペア:

[(1, 55143040), (2, 27571520), (4, 13785760), (5, 11028608), (8, 6892880), (10, 5514304), (16, 3446440), (20, 2757152), (32, 1723220), (40, 1378576), (64, 861610), (80, 689288), (128, 430805), (160, 344644), (320, 172322), (640, 86161)]