55651280

素因数分解:

$2^4\times 5^1\times {\mathrm{695641}}^1$

素因数の和:695654

約数の個数: 20

約数和(自身を含む): 129389412

約数和(自身を除く): 73738132

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 695641, 1391282, 2782564, 3478205, 5565128, 6956410, 11130256, 13912820, 27825640, 55651280]

約数ペア:

[(1, 55651280), (2, 27825640), (4, 13912820), (5, 11130256), (8, 6956410), (10, 5565128), (16, 3478205), (20, 2782564), (40, 1391282), (80, 695641)]