2880440

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{673}}^1$

素因数の和:791

約数の個数: 32

約数和(自身を含む): 6551280

約数和(自身を除く): 3670840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 673, 856, 1070, 1346, 2140, 2692, 3365, 4280, 5384, 6730, 13460, 26920, 72011, 144022, 288044, 360055, 576088, 720110, 1440220, 2880440]

約数ペア:

[(1, 2880440), (2, 1440220), (4, 720110), (5, 576088), (8, 360055), (10, 288044), (20, 144022), (40, 72011), (107, 26920), (214, 13460), (428, 6730), (535, 5384), (673, 4280), (856, 3365), (1070, 2692), (1346, 2140)]