30487340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{117259}}^1$

素因数の和:117281

約数の個数: 24

約数和(自身を含む): 68948880

約数和(自身を除く): 38461540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 117259, 234518, 469036, 586295, 1172590, 1524367, 2345180, 3048734, 6097468, 7621835, 15243670, 30487340]

約数ペア:

[(1, 30487340), (2, 15243670), (4, 7621835), (5, 6097468), (10, 3048734), (13, 2345180), (20, 1524367), (26, 1172590), (52, 586295), (65, 469036), (130, 234518), (260, 117259)]