5513840

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{439}}^1$

素因数の和:609

約数の個数: 40

約数和(自身を含む): 12930720

約数和(自身を除く): 7416880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 439, 628, 785, 878, 1256, 1570, 1756, 2195, 2512, 3140, 3512, 4390, 6280, 7024, 8780, 12560, 17560, 35120, 68923, 137846, 275692, 344615, 551384, 689230, 1102768, 1378460, 2756920, 5513840]

約数ペア:

[(1, 5513840), (2, 2756920), (4, 1378460), (5, 1102768), (8, 689230), (10, 551384), (16, 344615), (20, 275692), (40, 137846), (80, 68923), (157, 35120), (314, 17560), (439, 12560), (628, 8780), (785, 7024), (878, 6280), (1256, 4390), (1570, 3512), (1756, 3140), (2195, 2512)]