42253780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{227}}^2$

素因数の和:504

約数の個数: 36

約数和(自身を含む): 91299348

約数和(自身を除く): 49045568

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 227, 410, 454, 820, 908, 1135, 2270, 4540, 9307, 18614, 37228, 46535, 51529, 93070, 103058, 186140, 206116, 257645, 515290, 1030580, 2112689, 4225378, 8450756, 10563445, 21126890, 42253780]

約数ペア:

[(1, 42253780), (2, 21126890), (4, 10563445), (5, 8450756), (10, 4225378), (20, 2112689), (41, 1030580), (82, 515290), (164, 257645), (205, 206116), (227, 186140), (410, 103058), (454, 93070), (820, 51529), (908, 46535), (1135, 37228), (2270, 18614), (4540, 9307)]