2575880

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{907}}^1$

素因数の和:989

約数の個数: 32

約数和(自身を含む): 5883840

約数和(自身を除く): 3307960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 907, 1420, 1814, 2840, 3628, 4535, 7256, 9070, 18140, 36280, 64397, 128794, 257588, 321985, 515176, 643970, 1287940, 2575880]

約数ペア:

[(1, 2575880), (2, 1287940), (4, 643970), (5, 515176), (8, 321985), (10, 257588), (20, 128794), (40, 64397), (71, 36280), (142, 18140), (284, 9070), (355, 7256), (568, 4535), (710, 3628), (907, 2840), (1420, 1814)]