20131180490

素因数分解:

$2^1\times 5^1\times {\mathrm{1609}}^1\times {\mathrm{1251161}}^1$

素因数の和:1252777

約数の個数: 16

約数和(自身を含む): 36258674760

約数和(自身を除く): 16127494270

約数列:

[1, 2, 5, 10, 1609, 3218, 8045, 16090, 1251161, 2502322, 6255805, 12511610, 2013118049, 4026236098, 10065590245, 20131180490]

約数ペア:

[(1, 20131180490), (2, 10065590245), (5, 4026236098), (10, 2013118049), (1609, 12511610), (3218, 6255805), (8045, 2502322), (16090, 1251161)]