66349340

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{13217}}^1$

素因数の和:13477

約数の個数: 24

約数和(自身を含む): 139899312

約数和(自身を除く): 73549972

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 1004, 1255, 2510, 5020, 13217, 26434, 52868, 66085, 132170, 264340, 3317467, 6634934, 13269868, 16587335, 33174670, 66349340]

約数ペア:

[(1, 66349340), (2, 33174670), (4, 16587335), (5, 13269868), (10, 6634934), (20, 3317467), (251, 264340), (502, 132170), (1004, 66085), (1255, 52868), (2510, 26434), (5020, 13217)]