66333040

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{7607}}^1$

素因数の和:7729

約数の個数: 40

約数和(自身を含む): 155659680

約数和(自身を除く): 89326640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 7607, 8720, 15214, 30428, 38035, 60856, 76070, 121712, 152140, 304280, 608560, 829163, 1658326, 3316652, 4145815, 6633304, 8291630, 13266608, 16583260, 33166520, 66333040]

約数ペア:

[(1, 66333040), (2, 33166520), (4, 16583260), (5, 13266608), (8, 8291630), (10, 6633304), (16, 4145815), (20, 3316652), (40, 1658326), (80, 829163), (109, 608560), (218, 304280), (436, 152140), (545, 121712), (872, 76070), (1090, 60856), (1744, 38035), (2180, 30428), (4360, 15214), (7607, 8720)]