8520680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{30431}}^1$

素因数の和:30449

約数の個数: 32

約数和(自身を含む): 21911040

約数和(自身を除く): 13390360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 30431, 60862, 121724, 152155, 213017, 243448, 304310, 426034, 608620, 852068, 1065085, 1217240, 1704136, 2130170, 4260340, 8520680]

約数ペア:

[(1, 8520680), (2, 4260340), (4, 2130170), (5, 1704136), (7, 1217240), (8, 1065085), (10, 852068), (14, 608620), (20, 426034), (28, 304310), (35, 243448), (40, 213017), (56, 152155), (70, 121724), (140, 60862), (280, 30431)]