127682140

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89917}}^1$

素因数の和:89997

約数の個数: 24

約数和(自身を含む): 271912032

約数和(自身を除く): 144229892

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 89917, 179834, 359668, 449585, 899170, 1798340, 6384107, 12768214, 25536428, 31920535, 63841070, 127682140]

約数ペア:

[(1, 127682140), (2, 63841070), (4, 31920535), (5, 25536428), (10, 12768214), (20, 6384107), (71, 1798340), (142, 899170), (284, 449585), (355, 359668), (710, 179834), (1420, 89917)]