205912240

素因数分解:

$2^4\times 5^1\times {\mathrm{599}}^1\times {\mathrm{4297}}^1$

素因数の和:4909

約数の個数: 40

約数和(自身を含む): 479656800

約数和(自身を除く): 273744560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 599, 1198, 2396, 2995, 4297, 4792, 5990, 8594, 9584, 11980, 17188, 21485, 23960, 34376, 42970, 47920, 68752, 85940, 171880, 343760, 2573903, 5147806, 10295612, 12869515, 20591224, 25739030, 41182448, 51478060, 102956120, 205912240]

約数ペア:

[(1, 205912240), (2, 102956120), (4, 51478060), (5, 41182448), (8, 25739030), (10, 20591224), (16, 12869515), (20, 10295612), (40, 5147806), (80, 2573903), (599, 343760), (1198, 171880), (2396, 85940), (2995, 68752), (4297, 47920), (4792, 42970), (5990, 34376), (8594, 23960), (9584, 21485), (11980, 17188)]