81054804580

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{18173723}}^1$

素因数の和:18173955

約数の個数: 24

約数和(自身を含む): 170978395392

約数和(自身を除く): 89923590812

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4460, 18173723, 36347446, 72694892, 90868615, 181737230, 363474460, 4052740229, 8105480458, 16210960916, 20263701145, 40527402290, 81054804580]

約数ペア:

[(1, 81054804580), (2, 40527402290), (4, 20263701145), (5, 16210960916), (10, 8105480458), (20, 4052740229), (223, 363474460), (446, 181737230), (892, 90868615), (1115, 72694892), (2230, 36347446), (4460, 18173723)]