71691520

素因数分解:

$2^8\times 5^1\times {\mathrm{56009}}^1$

素因数の和:56030

約数の個数: 36

約数和(自身を含む): 171726660

約数和(自身を除く): 100035140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 56009, 112018, 224036, 280045, 448072, 560090, 896144, 1120180, 1792288, 2240360, 3584576, 4480720, 7169152, 8961440, 14338304, 17922880, 35845760, 71691520]

約数ペア:

[(1, 71691520), (2, 35845760), (4, 17922880), (5, 14338304), (8, 8961440), (10, 7169152), (16, 4480720), (20, 3584576), (32, 2240360), (40, 1792288), (64, 1120180), (80, 896144), (128, 560090), (160, 448072), (256, 280045), (320, 224036), (640, 112018), (1280, 56009)]