87180490

素因数分解:

$2^1\times 5^1\times {\mathrm{839}}^1\times {\mathrm{10391}}^1$

素因数の和:11237

約数の個数: 16

約数和(自身を含む): 157127040

約数和(自身を除く): 69946550

約数列:

[1, 2, 5, 10, 839, 1678, 4195, 8390, 10391, 20782, 51955, 103910, 8718049, 17436098, 43590245, 87180490]

約数ペア:

[(1, 87180490), (2, 43590245), (5, 17436098), (10, 8718049), (839, 103910), (1678, 51955), (4195, 20782), (8390, 10391)]