8005480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{28591}}^1$

素因数の和:28609

約数の個数: 32

約数和(自身を含む): 20586240

約数和(自身を除く): 12580760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 28591, 57182, 114364, 142955, 200137, 228728, 285910, 400274, 571820, 800548, 1000685, 1143640, 1601096, 2001370, 4002740, 8005480]

約数ペア:

[(1, 8005480), (2, 4002740), (4, 2001370), (5, 1601096), (7, 1143640), (8, 1000685), (10, 800548), (14, 571820), (20, 400274), (28, 285910), (35, 228728), (40, 200137), (56, 142955), (70, 114364), (140, 57182), (280, 28591)]