30776560

素因数分解:

$2^4\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1237}}^1$

素因数の和:1561

約数の個数: 40

約数和(自身を含む): 71843616

約数和(自身を除く): 41067056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 311, 622, 1237, 1244, 1555, 2474, 2488, 3110, 4948, 4976, 6185, 6220, 9896, 12370, 12440, 19792, 24740, 24880, 49480, 98960, 384707, 769414, 1538828, 1923535, 3077656, 3847070, 6155312, 7694140, 15388280, 30776560]

約数ペア:

[(1, 30776560), (2, 15388280), (4, 7694140), (5, 6155312), (8, 3847070), (10, 3077656), (16, 1923535), (20, 1538828), (40, 769414), (80, 384707), (311, 98960), (622, 49480), (1237, 24880), (1244, 24740), (1555, 19792), (2474, 12440), (2488, 12370), (3110, 9896), (4948, 6220), (4976, 6185)]