8572840

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{2003}}^1$

素因数の和:2121

約数の個数: 32

約数和(自身を含む): 19478880

約数和(自身を除く): 10906040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2003, 2140, 4006, 4280, 8012, 10015, 16024, 20030, 40060, 80120, 214321, 428642, 857284, 1071605, 1714568, 2143210, 4286420, 8572840]

約数ペア:

[(1, 8572840), (2, 4286420), (4, 2143210), (5, 1714568), (8, 1071605), (10, 857284), (20, 428642), (40, 214321), (107, 80120), (214, 40060), (428, 20030), (535, 16024), (856, 10015), (1070, 8012), (2003, 4280), (2140, 4006)]