66128420

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{14827}}^1$

素因数の和:15059

約数の個数: 24

約数和(自身を含む): 139501824

約数和(自身を除く): 73373404

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4460, 14827, 29654, 59308, 74135, 148270, 296540, 3306421, 6612842, 13225684, 16532105, 33064210, 66128420]

約数ペア:

[(1, 66128420), (2, 33064210), (4, 16532105), (5, 13225684), (10, 6612842), (20, 3306421), (223, 296540), (446, 148270), (892, 74135), (1115, 59308), (2230, 29654), (4460, 14827)]