81504220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{582173}}^1$

素因数の和:582189

約数の個数: 24

約数和(自身を含む): 195610464

約数和(自身を除く): 114106244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 582173, 1164346, 2328692, 2910865, 4075211, 5821730, 8150422, 11643460, 16300844, 20376055, 40752110, 81504220]

約数ペア:

[(1, 81504220), (2, 40752110), (4, 20376055), (5, 16300844), (7, 11643460), (10, 8150422), (14, 5821730), (20, 4075211), (28, 2910865), (35, 2328692), (70, 1164346), (140, 582173)]