42181520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{27751}}^1$

素因数の和:27783

約数の個数: 40

約数和(自身を含む): 103237440

約数和(自身を除く): 61055920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 27751, 55502, 111004, 138755, 222008, 277510, 444016, 527269, 555020, 1054538, 1110040, 2109076, 2220080, 2636345, 4218152, 5272690, 8436304, 10545380, 21090760, 42181520]

約数ペア:

[(1, 42181520), (2, 21090760), (4, 10545380), (5, 8436304), (8, 5272690), (10, 4218152), (16, 2636345), (19, 2220080), (20, 2109076), (38, 1110040), (40, 1054538), (76, 555020), (80, 527269), (95, 444016), (152, 277510), (190, 222008), (304, 138755), (380, 111004), (760, 55502), (1520, 27751)]