2047540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{227}}^1$

素因数の和:288

約数の個数: 48

約数和(自身を含む): 4826304

約数和(自身を除く): 2778764

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 227, 410, 451, 454, 820, 902, 908, 1135, 1804, 2255, 2270, 2497, 4510, 4540, 4994, 9020, 9307, 9988, 12485, 18614, 24970, 37228, 46535, 49940, 93070, 102377, 186140, 204754, 409508, 511885, 1023770, 2047540]

約数ペア:

[(1, 2047540), (2, 1023770), (4, 511885), (5, 409508), (10, 204754), (11, 186140), (20, 102377), (22, 93070), (41, 49940), (44, 46535), (55, 37228), (82, 24970), (110, 18614), (164, 12485), (205, 9988), (220, 9307), (227, 9020), (410, 4994), (451, 4540), (454, 4510), (820, 2497), (902, 2270), (908, 2255), (1135, 1804)]