40987540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{16937}}^1$

素因数の和:16968

約数の個数: 36

約数和(自身を含む): 94615668

約数和(自身を除く): 53628128

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 16937, 33874, 67748, 84685, 169370, 186307, 338740, 372614, 745228, 931535, 1863070, 2049377, 3726140, 4098754, 8197508, 10246885, 20493770, 40987540]

約数ペア:

[(1, 40987540), (2, 20493770), (4, 10246885), (5, 8197508), (10, 4098754), (11, 3726140), (20, 2049377), (22, 1863070), (44, 931535), (55, 745228), (110, 372614), (121, 338740), (220, 186307), (242, 169370), (484, 84685), (605, 67748), (1210, 33874), (2420, 16937)]