2756920

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{439}}^1$

素因数の和:607

約数の個数: 32

約数和(自身を含む): 6256800

約数和(自身を除く): 3499880

約数列:

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

約数ペア:

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