127987340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{5531}}^1$

素因数の和:5642

約数の個数: 48

約数和(自身を含む): 292753440

約数和(自身を除く): 164766100

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 178, 260, 356, 445, 890, 1157, 1780, 2314, 4628, 5531, 5785, 11062, 11570, 22124, 23140, 27655, 55310, 71903, 110620, 143806, 287612, 359515, 492259, 719030, 984518, 1438060, 1969036, 2461295, 4922590, 6399367, 9845180, 12798734, 25597468, 31996835, 63993670, 127987340]

約数ペア:

[(1, 127987340), (2, 63993670), (4, 31996835), (5, 25597468), (10, 12798734), (13, 9845180), (20, 6399367), (26, 4922590), (52, 2461295), (65, 1969036), (89, 1438060), (130, 984518), (178, 719030), (260, 492259), (356, 359515), (445, 287612), (890, 143806), (1157, 110620), (1780, 71903), (2314, 55310), (4628, 27655), (5531, 23140), (5785, 22124), (11062, 11570)]