66540940

素因数分解:

$2^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{12011}}^1$

素因数の和:12297

約数の個数: 24

約数和(自身を含む): 140252112

約数和(自身を除く): 73711172

約数列:

[1, 2, 4, 5, 10, 20, 277, 554, 1108, 1385, 2770, 5540, 12011, 24022, 48044, 60055, 120110, 240220, 3327047, 6654094, 13308188, 16635235, 33270470, 66540940]

約数ペア:

[(1, 66540940), (2, 33270470), (4, 16635235), (5, 13308188), (10, 6654094), (20, 3327047), (277, 240220), (554, 120110), (1108, 60055), (1385, 48044), (2770, 24022), (5540, 12011)]