131344000

素因数分解:

$2^7\times 5^3\times {\mathrm{8209}}^1$

素因数の和:8238

約数の個数: 64

約数和(自身を含む): 326593800

約数和(自身を除く): 195249800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 320, 400, 500, 640, 800, 1000, 1600, 2000, 3200, 4000, 8000, 8209, 16000, 16418, 32836, 41045, 65672, 82090, 131344, 164180, 205225, 262688, 328360, 410450, 525376, 656720, 820900, 1026125, 1050752, 1313440, 1641800, 2052250, 2626880, 3283600, 4104500, 5253760, 6567200, 8209000, 13134400, 16418000, 26268800, 32836000, 65672000, 131344000]

約数ペア:

[(1, 131344000), (2, 65672000), (4, 32836000), (5, 26268800), (8, 16418000), (10, 13134400), (16, 8209000), (20, 6567200), (25, 5253760), (32, 4104500), (40, 3283600), (50, 2626880), (64, 2052250), (80, 1641800), (100, 1313440), (125, 1050752), (128, 1026125), (160, 820900), (200, 656720), (250, 525376), (320, 410450), (400, 328360), (500, 262688), (640, 205225), (800, 164180), (1000, 131344), (1600, 82090), (2000, 65672), (3200, 41045), (4000, 32836), (8000, 16418), (8209, 16000)]