9727996840

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3425351}}^1$

素因数の和:3425433

約数の個数: 32

約数和(自身を含む): 22196280960

約数和(自身を除く): 12468284120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 3425351, 6850702, 13701404, 17126755, 27402808, 34253510, 68507020, 137014040, 243199921, 486399842, 972799684, 1215999605, 1945599368, 2431999210, 4863998420, 9727996840]

約数ペア:

[(1, 9727996840), (2, 4863998420), (4, 2431999210), (5, 1945599368), (8, 1215999605), (10, 972799684), (20, 486399842), (40, 243199921), (71, 137014040), (142, 68507020), (284, 34253510), (355, 27402808), (568, 17126755), (710, 13701404), (1420, 6850702), (2840, 3425351)]