28080370

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{41911}}^1$

素因数の和:41985

約数の個数: 16

約数和(自身を含む): 51300288

約数和(自身を除く): 23219918

約数列:

[1, 2, 5, 10, 67, 134, 335, 670, 41911, 83822, 209555, 419110, 2808037, 5616074, 14040185, 28080370]

約数ペア:

[(1, 28080370), (2, 14040185), (5, 5616074), (10, 2808037), (67, 419110), (134, 209555), (335, 83822), (670, 41911)]