26798540

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{13009}}^1$

素因数の和:13121

約数の個数: 24

約数和(自身を含む): 56827680

約数和(自身を除く): 30029140

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 13009, 26018, 52036, 65045, 130090, 260180, 1339927, 2679854, 5359708, 6699635, 13399270, 26798540]

約数ペア:

[(1, 26798540), (2, 13399270), (4, 6699635), (5, 5359708), (10, 2679854), (20, 1339927), (103, 260180), (206, 130090), (412, 65045), (515, 52036), (1030, 26018), (2060, 13009)]