8144840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{173}}^1$

素因数の和:302

約数の個数: 64

約数和(自身を含む): 20295360

約数和(自身を除く): 12150520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 107, 110, 173, 214, 220, 346, 428, 440, 535, 692, 856, 865, 1070, 1177, 1384, 1730, 1903, 2140, 2354, 3460, 3806, 4280, 4708, 5885, 6920, 7612, 9416, 9515, 11770, 15224, 18511, 19030, 23540, 37022, 38060, 47080, 74044, 76120, 92555, 148088, 185110, 203621, 370220, 407242, 740440, 814484, 1018105, 1628968, 2036210, 4072420, 8144840]

約数ペア:

[(1, 8144840), (2, 4072420), (4, 2036210), (5, 1628968), (8, 1018105), (10, 814484), (11, 740440), (20, 407242), (22, 370220), (40, 203621), (44, 185110), (55, 148088), (88, 92555), (107, 76120), (110, 74044), (173, 47080), (214, 38060), (220, 37022), (346, 23540), (428, 19030), (440, 18511), (535, 15224), (692, 11770), (856, 9515), (865, 9416), (1070, 7612), (1177, 6920), (1384, 5885), (1730, 4708), (1903, 4280), (2140, 3806), (2354, 3460)]