31271860

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53917}}^1$

素因数の和:53955

約数の個数: 24

約数和(自身を含む): 67936680

約数和(自身を除く): 36664820

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 53917, 107834, 215668, 269585, 539170, 1078340, 1563593, 3127186, 6254372, 7817965, 15635930, 31271860]

約数ペア:

[(1, 31271860), (2, 15635930), (4, 7817965), (5, 6254372), (10, 3127186), (20, 1563593), (29, 1078340), (58, 539170), (116, 269585), (145, 215668), (290, 107834), (580, 53917)]