23405140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{557}}^1$

素因数の和:768

約数の個数: 48

約数和(自身を含む): 53996544

約数和(自身を除く): 30591404

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 191, 220, 382, 557, 764, 955, 1114, 1910, 2101, 2228, 2785, 3820, 4202, 5570, 6127, 8404, 10505, 11140, 12254, 21010, 24508, 30635, 42020, 61270, 106387, 122540, 212774, 425548, 531935, 1063870, 1170257, 2127740, 2340514, 4681028, 5851285, 11702570, 23405140]

約数ペア:

[(1, 23405140), (2, 11702570), (4, 5851285), (5, 4681028), (10, 2340514), (11, 2127740), (20, 1170257), (22, 1063870), (44, 531935), (55, 425548), (110, 212774), (191, 122540), (220, 106387), (382, 61270), (557, 42020), (764, 30635), (955, 24508), (1114, 21010), (1910, 12254), (2101, 11140), (2228, 10505), (2785, 8404), (3820, 6127), (4202, 5570)]