85730210

素因数分解:

$2^1\times 5^1\times {\mathrm{431}}^1\times {\mathrm{19891}}^1$

素因数の和:20329

約数の個数: 16

約数和(自身を含む): 154680192

約数和(自身を除く): 68949982

約数列:

[1, 2, 5, 10, 431, 862, 2155, 4310, 19891, 39782, 99455, 198910, 8573021, 17146042, 42865105, 85730210]

約数ペア:

[(1, 85730210), (2, 42865105), (5, 17146042), (10, 8573021), (431, 198910), (862, 99455), (2155, 39782), (4310, 19891)]