56525820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{72469}}^1$

素因数の和:72494

約数の個数: 48

約数和(自身を含む): 170449440

約数和(自身を除く): 113923620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 72469, 144938, 217407, 289876, 362345, 434814, 724690, 869628, 942097, 1087035, 1449380, 1884194, 2174070, 2826291, 3768388, 4348140, 4710485, 5652582, 9420970, 11305164, 14131455, 18841940, 28262910, 56525820]

約数ペア:

[(1, 56525820), (2, 28262910), (3, 18841940), (4, 14131455), (5, 11305164), (6, 9420970), (10, 5652582), (12, 4710485), (13, 4348140), (15, 3768388), (20, 2826291), (26, 2174070), (30, 1884194), (39, 1449380), (52, 1087035), (60, 942097), (65, 869628), (78, 724690), (130, 434814), (156, 362345), (195, 289876), (260, 217407), (390, 144938), (780, 72469)]