1686804920

素因数分解:

$2^3\times 5^1\times {\mathrm{42170123}}^1$

素因数の和:42170134

約数の個数: 16

約数和(自身を含む): 3795311160

約数和(自身を除く): 2108506240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 42170123, 84340246, 168680492, 210850615, 337360984, 421701230, 843402460, 1686804920]

約数ペア:

[(1, 1686804920), (2, 843402460), (4, 421701230), (5, 337360984), (8, 210850615), (10, 168680492), (20, 84340246), (40, 42170123)]