42090290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{1601}}^1$

素因数の和:1858

約数の個数: 32

約数和(自身を含む): 83047680

約数和(自身を除く): 40957390

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 239, 478, 1195, 1601, 2390, 2629, 3202, 5258, 8005, 13145, 16010, 17611, 26290, 35222, 88055, 176110, 382639, 765278, 1913195, 3826390, 4209029, 8418058, 21045145, 42090290]

約数ペア:

[(1, 42090290), (2, 21045145), (5, 8418058), (10, 4209029), (11, 3826390), (22, 1913195), (55, 765278), (110, 382639), (239, 176110), (478, 88055), (1195, 35222), (1601, 26290), (2390, 17611), (2629, 16010), (3202, 13145), (5258, 8005)]