39018440

素因数分解:

$2^3\times 5^1\times {\mathrm{487}}^1\times {\mathrm{2003}}^1$

素因数の和:2501

約数の個数: 32

約数和(自身を含む): 88015680

約数和(自身を除く): 48997240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 487, 974, 1948, 2003, 2435, 3896, 4006, 4870, 8012, 9740, 10015, 16024, 19480, 20030, 40060, 80120, 975461, 1950922, 3901844, 4877305, 7803688, 9754610, 19509220, 39018440]

約数ペア:

[(1, 39018440), (2, 19509220), (4, 9754610), (5, 7803688), (8, 4877305), (10, 3901844), (20, 1950922), (40, 975461), (487, 80120), (974, 40060), (1948, 20030), (2003, 19480), (2435, 16024), (3896, 10015), (4006, 9740), (4870, 8012)]