81251210

素因数分解:

$2^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{32371}}^1$

素因数の和:32629

約数の個数: 16

約数和(自身を含む): 146839392

約数和(自身を除く): 65588182

約数列:

[1, 2, 5, 10, 251, 502, 1255, 2510, 32371, 64742, 161855, 323710, 8125121, 16250242, 40625605, 81251210]

約数ペア:

[(1, 81251210), (2, 40625605), (5, 16250242), (10, 8125121), (251, 323710), (502, 161855), (1255, 64742), (2510, 32371)]