208013560

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{77617}}^1$

素因数の和:77695

約数の個数: 32

約数和(自身を含む): 475022160

約数和(自身を除く): 267008600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 77617, 155234, 310468, 388085, 620936, 776170, 1552340, 3104680, 5200339, 10400678, 20801356, 26001695, 41602712, 52003390, 104006780, 208013560]

約数ペア:

[(1, 208013560), (2, 104006780), (4, 52003390), (5, 41602712), (8, 26001695), (10, 20801356), (20, 10400678), (40, 5200339), (67, 3104680), (134, 1552340), (268, 776170), (335, 620936), (536, 388085), (670, 310468), (1340, 155234), (2680, 77617)]