85907560

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{15451}}^1$

素因数の和:15601

約数の個数: 32

約数和(自身を含む): 194695200

約数和(自身を除く): 108787640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 15451, 30902, 61804, 77255, 123608, 154510, 309020, 618040, 2147689, 4295378, 8590756, 10738445, 17181512, 21476890, 42953780, 85907560]

約数ペア:

[(1, 85907560), (2, 42953780), (4, 21476890), (5, 17181512), (8, 10738445), (10, 8590756), (20, 4295378), (40, 2147689), (139, 618040), (278, 309020), (556, 154510), (695, 123608), (1112, 77255), (1390, 61804), (2780, 30902), (5560, 15451)]