65645260

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{48989}}^1$

素因数の和:49065

約数の個数: 24

約数和(自身を含む): 139915440

約数和(自身を除く): 74270180

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 48989, 97978, 195956, 244945, 489890, 979780, 3282263, 6564526, 13129052, 16411315, 32822630, 65645260]

約数ペア:

[(1, 65645260), (2, 32822630), (4, 16411315), (5, 13129052), (10, 6564526), (20, 3282263), (67, 979780), (134, 489890), (268, 244945), (335, 195956), (670, 97978), (1340, 48989)]