42940490

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{32779}}^1$

素因数の和:32917

約数の個数: 16

約数和(自身を含む): 77885280

約数和(自身を除く): 34944790

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 32779, 65558, 163895, 327790, 4294049, 8588098, 21470245, 42940490]

約数ペア:

[(1, 42940490), (2, 21470245), (5, 8588098), (10, 4294049), (131, 327790), (262, 163895), (655, 65558), (1310, 32779)]