84450040

素因数分解:

$2^3\times 5^1\times {\mathrm{2111251}}^1$

素因数の和:2111262

約数の個数: 16

約数和(自身を含む): 190012680

約数和(自身を除く): 105562640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2111251, 4222502, 8445004, 10556255, 16890008, 21112510, 42225020, 84450040]

約数ペア:

[(1, 84450040), (2, 42225020), (4, 21112510), (5, 16890008), (8, 10556255), (10, 8445004), (20, 4222502), (40, 2111251)]