55098640

素因数分解:

$2^4\times 5^1\times {\mathrm{688733}}^1$

素因数の和:688746

約数の個数: 20

約数和(自身を含む): 128104524

約数和(自身を除く): 73005884

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 688733, 1377466, 2754932, 3443665, 5509864, 6887330, 11019728, 13774660, 27549320, 55098640]

約数ペア:

[(1, 55098640), (2, 27549320), (4, 13774660), (5, 11019728), (8, 6887330), (10, 5509864), (16, 3443665), (20, 2754932), (40, 1377466), (80, 688733)]