12727880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{28927}}^1$

素因数の和:28949

約数の個数: 32

約数和(自身を含む): 31242240

約数和(自身を除く): 18514360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 28927, 57854, 115708, 144635, 231416, 289270, 318197, 578540, 636394, 1157080, 1272788, 1590985, 2545576, 3181970, 6363940, 12727880]

約数ペア:

[(1, 12727880), (2, 6363940), (4, 3181970), (5, 2545576), (8, 1590985), (10, 1272788), (11, 1157080), (20, 636394), (22, 578540), (40, 318197), (44, 289270), (55, 231416), (88, 144635), (110, 115708), (220, 57854), (440, 28927)]