8105720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{28949}}^1$

素因数の和:28967

約数の個数: 32

約数和(自身を含む): 20844000

約数和(自身を除く): 12738280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 28949, 57898, 115796, 144745, 202643, 231592, 289490, 405286, 578980, 810572, 1013215, 1157960, 1621144, 2026430, 4052860, 8105720]

約数ペア:

[(1, 8105720), (2, 4052860), (4, 2026430), (5, 1621144), (7, 1157960), (8, 1013215), (10, 810572), (14, 578980), (20, 405286), (28, 289490), (35, 231592), (40, 202643), (56, 144745), (70, 115796), (140, 57898), (280, 28949)]