55656560

素因数分解:

$2^4\times 5^1\times {\mathrm{311}}^1\times {\mathrm{2237}}^1$

素因数の和:2561

約数の個数: 40

約数和(自身を含む): 129875616

約数和(自身を除く): 74219056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 311, 622, 1244, 1555, 2237, 2488, 3110, 4474, 4976, 6220, 8948, 11185, 12440, 17896, 22370, 24880, 35792, 44740, 89480, 178960, 695707, 1391414, 2782828, 3478535, 5565656, 6957070, 11131312, 13914140, 27828280, 55656560]

約数ペア:

[(1, 55656560), (2, 27828280), (4, 13914140), (5, 11131312), (8, 6957070), (10, 5565656), (16, 3478535), (20, 2782828), (40, 1391414), (80, 695707), (311, 178960), (622, 89480), (1244, 44740), (1555, 35792), (2237, 24880), (2488, 22370), (3110, 17896), (4474, 12440), (4976, 11185), (6220, 8948)]