2078180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7993}}^1$

素因数の和:8015

約数の個数: 24

約数和(自身を含む): 4700472

約数和(自身を除く): 2622292

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 7993, 15986, 31972, 39965, 79930, 103909, 159860, 207818, 415636, 519545, 1039090, 2078180]

約数ペア:

[(1, 2078180), (2, 1039090), (4, 519545), (5, 415636), (10, 207818), (13, 159860), (20, 103909), (26, 79930), (52, 39965), (65, 31972), (130, 15986), (260, 7993)]