123661840

素因数分解:

$2^4\times 5^1\times {\mathrm{1545773}}^1$

素因数の和:1545786

約数の個数: 20

約数和(自身を含む): 287513964

約数和(自身を除く): 163852124

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1545773, 3091546, 6183092, 7728865, 12366184, 15457730, 24732368, 30915460, 61830920, 123661840]

約数ペア:

[(1, 123661840), (2, 61830920), (4, 30915460), (5, 24732368), (8, 15457730), (10, 12366184), (16, 7728865), (20, 6183092), (40, 3091546), (80, 1545773)]