128923508750

素因数分解:

$2^1\times 5^4\times {\mathrm{89}}^1\times {\mathrm{1158863}}^1$

素因数の和:1158974

約数の個数: 40

約数和(自身を含む): 244369651680

約数和(自身を除く): 115446142930

約数列:

[1, 2, 5, 10, 25, 50, 89, 125, 178, 250, 445, 625, 890, 1250, 2225, 4450, 11125, 22250, 55625, 111250, 1158863, 2317726, 5794315, 11588630, 28971575, 57943150, 103138807, 144857875, 206277614, 289715750, 515694035, 724289375, 1031388070, 1448578750, 2578470175, 5156940350, 12892350875, 25784701750, 64461754375, 128923508750]

約数ペア:

[(1, 128923508750), (2, 64461754375), (5, 25784701750), (10, 12892350875), (25, 5156940350), (50, 2578470175), (89, 1448578750), (125, 1031388070), (178, 724289375), (250, 515694035), (445, 289715750), (625, 206277614), (890, 144857875), (1250, 103138807), (2225, 57943150), (4450, 28971575), (11125, 11588630), (22250, 5794315), (55625, 2317726), (111250, 1158863)]