4210280

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1571}}^1$

素因数の和:1649

約数の個数: 32

約数和(自身を含む): 9620640

約数和(自身を除く): 5410360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 1571, 2680, 3142, 6284, 7855, 12568, 15710, 31420, 62840, 105257, 210514, 421028, 526285, 842056, 1052570, 2105140, 4210280]

約数ペア:

[(1, 4210280), (2, 2105140), (4, 1052570), (5, 842056), (8, 526285), (10, 421028), (20, 210514), (40, 105257), (67, 62840), (134, 31420), (268, 15710), (335, 12568), (536, 7855), (670, 6284), (1340, 3142), (1571, 2680)]