8000740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{887}}^1$

素因数の和:948

約数の個数: 48

約数和(自身を含む): 18797184

約数和(自身を除く): 10796444

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 887, 902, 1774, 1804, 2255, 3548, 4435, 4510, 8870, 9020, 9757, 17740, 19514, 36367, 39028, 48785, 72734, 97570, 145468, 181835, 195140, 363670, 400037, 727340, 800074, 1600148, 2000185, 4000370, 8000740]

約数ペア:

[(1, 8000740), (2, 4000370), (4, 2000185), (5, 1600148), (10, 800074), (11, 727340), (20, 400037), (22, 363670), (41, 195140), (44, 181835), (55, 145468), (82, 97570), (110, 72734), (164, 48785), (205, 39028), (220, 36367), (410, 19514), (451, 17740), (820, 9757), (887, 9020), (902, 8870), (1774, 4510), (1804, 4435), (2255, 3548)]