126603880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{243469}}^1$

素因数の和:243493

約数の個数: 32

約数和(自身を含む): 306772200

約数和(自身を除く): 180168320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 243469, 486938, 973876, 1217345, 1947752, 2434690, 3165097, 4869380, 6330194, 9738760, 12660388, 15825485, 25320776, 31650970, 63301940, 126603880]

約数ペア:

[(1, 126603880), (2, 63301940), (4, 31650970), (5, 25320776), (8, 15825485), (10, 12660388), (13, 9738760), (20, 6330194), (26, 4869380), (40, 3165097), (52, 2434690), (65, 1947752), (104, 1217345), (130, 973876), (260, 486938), (520, 243469)]