22281880

素因数分解:

$2^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{2011}}^1$

素因数の和:2299

約数の個数: 32

約数和(自身を含む): 50340240

約数和(自身を除く): 28058360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 277, 554, 1108, 1385, 2011, 2216, 2770, 4022, 5540, 8044, 10055, 11080, 16088, 20110, 40220, 80440, 557047, 1114094, 2228188, 2785235, 4456376, 5570470, 11140940, 22281880]

約数ペア:

[(1, 22281880), (2, 11140940), (4, 5570470), (5, 4456376), (8, 2785235), (10, 2228188), (20, 1114094), (40, 557047), (277, 80440), (554, 40220), (1108, 20110), (1385, 16088), (2011, 11080), (2216, 10055), (2770, 8044), (4022, 5540)]