12660670

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{643}}^1$

素因数の和:840

約数の個数: 32

約数和(自身を含む): 25038720

約数和(自身を除く): 12378050

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 179, 358, 643, 895, 1286, 1790, 1969, 3215, 3938, 6430, 7073, 9845, 14146, 19690, 35365, 70730, 115097, 230194, 575485, 1150970, 1266067, 2532134, 6330335, 12660670]

約数ペア:

[(1, 12660670), (2, 6330335), (5, 2532134), (10, 1266067), (11, 1150970), (22, 575485), (55, 230194), (110, 115097), (179, 70730), (358, 35365), (643, 19690), (895, 14146), (1286, 9845), (1790, 7073), (1969, 6430), (3215, 3938)]