2555560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{9127}}^1$

素因数の和:9145

約数の個数: 32

約数和(自身を含む): 6572160

約数和(自身を除く): 4016600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 9127, 18254, 36508, 45635, 63889, 73016, 91270, 127778, 182540, 255556, 319445, 365080, 511112, 638890, 1277780, 2555560]

約数ペア:

[(1, 2555560), (2, 1277780), (4, 638890), (5, 511112), (7, 365080), (8, 319445), (10, 255556), (14, 182540), (20, 127778), (28, 91270), (35, 73016), (40, 63889), (56, 45635), (70, 36508), (140, 18254), (280, 9127)]