805465540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{332837}}^1$

素因数の和:332868

約数の個数: 36

約数和(自身を含む): 1859233068

約数和(自身を除く): 1053767528

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 332837, 665674, 1331348, 1664185, 3328370, 3661207, 6656740, 7322414, 14644828, 18306035, 36612070, 40273277, 73224140, 80546554, 161093108, 201366385, 402732770, 805465540]

約数ペア:

[(1, 805465540), (2, 402732770), (4, 201366385), (5, 161093108), (10, 80546554), (11, 73224140), (20, 40273277), (22, 36612070), (44, 18306035), (55, 14644828), (110, 7322414), (121, 6656740), (220, 3661207), (242, 3328370), (484, 1664185), (605, 1331348), (1210, 665674), (2420, 332837)]