42748780

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{11941}}^1$

素因数の和:12129

約数の個数: 24

約数和(自身を含む): 90281520

約数和(自身を除く): 47532740

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 3580, 11941, 23882, 47764, 59705, 119410, 238820, 2137439, 4274878, 8549756, 10687195, 21374390, 42748780]

約数ペア:

[(1, 42748780), (2, 21374390), (4, 10687195), (5, 8549756), (10, 4274878), (20, 2137439), (179, 238820), (358, 119410), (716, 59705), (895, 47764), (1790, 23882), (3580, 11941)]