66889840

素因数分解:

$2^4\times 5^1\times {\mathrm{433}}^1\times {\mathrm{1931}}^1$

素因数の和:2377

約数の個数: 40

約数和(自身を含む): 155958768

約数和(自身を除く): 89068928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 433, 866, 1732, 1931, 2165, 3464, 3862, 4330, 6928, 7724, 8660, 9655, 15448, 17320, 19310, 30896, 34640, 38620, 77240, 154480, 836123, 1672246, 3344492, 4180615, 6688984, 8361230, 13377968, 16722460, 33444920, 66889840]

約数ペア:

[(1, 66889840), (2, 33444920), (4, 16722460), (5, 13377968), (8, 8361230), (10, 6688984), (16, 4180615), (20, 3344492), (40, 1672246), (80, 836123), (433, 154480), (866, 77240), (1732, 38620), (1931, 34640), (2165, 30896), (3464, 19310), (3862, 17320), (4330, 15448), (6928, 9655), (7724, 8660)]