28461940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109469}}^1$

素因数の和:109491

約数の個数: 24

約数和(自身を含む): 64368360

約数和(自身を除く): 35906420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 109469, 218938, 437876, 547345, 1094690, 1423097, 2189380, 2846194, 5692388, 7115485, 14230970, 28461940]

約数ペア:

[(1, 28461940), (2, 14230970), (4, 7115485), (5, 5692388), (10, 2846194), (13, 2189380), (20, 1423097), (26, 1094690), (52, 547345), (65, 437876), (130, 218938), (260, 109469)]