90263140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{10007}}^1$

素因数の和:10068

約数の個数: 48

約数和(自身を含む): 211849344

約数和(自身を除く): 121586204

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1804, 2255, 4510, 9020, 10007, 20014, 40028, 50035, 100070, 110077, 200140, 220154, 410287, 440308, 550385, 820574, 1100770, 1641148, 2051435, 2201540, 4102870, 4513157, 8205740, 9026314, 18052628, 22565785, 45131570, 90263140]

約数ペア:

[(1, 90263140), (2, 45131570), (4, 22565785), (5, 18052628), (10, 9026314), (11, 8205740), (20, 4513157), (22, 4102870), (41, 2201540), (44, 2051435), (55, 1641148), (82, 1100770), (110, 820574), (164, 550385), (205, 440308), (220, 410287), (410, 220154), (451, 200140), (820, 110077), (902, 100070), (1804, 50035), (2255, 40028), (4510, 20014), (9020, 10007)]