2105140

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1571}}^1$

素因数の和:1647

約数の個数: 24

約数和(自身を含む): 4489632

約数和(自身を除く): 2384492

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 1571, 3142, 6284, 7855, 15710, 31420, 105257, 210514, 421028, 526285, 1052570, 2105140]

約数ペア:

[(1, 2105140), (2, 1052570), (4, 526285), (5, 421028), (10, 210514), (20, 105257), (67, 31420), (134, 15710), (268, 7855), (335, 6284), (670, 3142), (1340, 1571)]