39612680

素因数分解:

$2^3\times 5^1\times {\mathrm{563}}^1\times {\mathrm{1759}}^1$

素因数の和:2333

約数の個数: 32

約数和(自身を含む): 89337600

約数和(自身を除く): 49724920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 563, 1126, 1759, 2252, 2815, 3518, 4504, 5630, 7036, 8795, 11260, 14072, 17590, 22520, 35180, 70360, 990317, 1980634, 3961268, 4951585, 7922536, 9903170, 19806340, 39612680]

約数ペア:

[(1, 39612680), (2, 19806340), (4, 9903170), (5, 7922536), (8, 4951585), (10, 3961268), (20, 1980634), (40, 990317), (563, 70360), (1126, 35180), (1759, 22520), (2252, 17590), (2815, 14072), (3518, 11260), (4504, 8795), (5630, 7036)]