80886740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{337}}^1\times {\mathrm{1091}}^1$

素因数の和:1448

約数の個数: 48

約数和(自身を含む): 186024384

約数和(自身を除く): 105137644

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 337, 674, 1091, 1348, 1685, 2182, 3370, 3707, 4364, 5455, 6740, 7414, 10910, 12001, 14828, 18535, 21820, 24002, 37070, 48004, 60005, 74140, 120010, 240020, 367667, 735334, 1470668, 1838335, 3676670, 4044337, 7353340, 8088674, 16177348, 20221685, 40443370, 80886740]

約数ペア:

[(1, 80886740), (2, 40443370), (4, 20221685), (5, 16177348), (10, 8088674), (11, 7353340), (20, 4044337), (22, 3676670), (44, 1838335), (55, 1470668), (110, 735334), (220, 367667), (337, 240020), (674, 120010), (1091, 74140), (1348, 60005), (1685, 48004), (2182, 37070), (3370, 24002), (3707, 21820), (4364, 18535), (5455, 14828), (6740, 12001), (7414, 10910)]