201618040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{387727}}^1$

素因数の和:387751

約数の個数: 32

約数和(自身を含む): 488537280

約数和(自身を除く): 286919240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 387727, 775454, 1550908, 1938635, 3101816, 3877270, 5040451, 7754540, 10080902, 15509080, 20161804, 25202255, 40323608, 50404510, 100809020, 201618040]

約数ペア:

[(1, 201618040), (2, 100809020), (4, 50404510), (5, 40323608), (8, 25202255), (10, 20161804), (13, 15509080), (20, 10080902), (26, 7754540), (40, 5040451), (52, 3877270), (65, 3101816), (104, 1938635), (130, 1550908), (260, 775454), (520, 387727)]