2443880

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{571}}^1$

素因数の和:689

約数の個数: 32

約数和(自身を含む): 5559840

約数和(自身を除く): 3115960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 571, 856, 1070, 1142, 2140, 2284, 2855, 4280, 4568, 5710, 11420, 22840, 61097, 122194, 244388, 305485, 488776, 610970, 1221940, 2443880]

約数ペア:

[(1, 2443880), (2, 1221940), (4, 610970), (5, 488776), (8, 305485), (10, 244388), (20, 122194), (40, 61097), (107, 22840), (214, 11420), (428, 5710), (535, 4568), (571, 4280), (856, 2855), (1070, 2284), (1142, 2140)]