129727460

素因数分解:

$2^2\times 5^1\times {\mathrm{2207}}^1\times {\mathrm{2939}}^1$

素因数の和:5155

約数の個数: 24

約数和(自身を含む): 272643840

約数和(自身を除く): 142916380

約数列:

[1, 2, 4, 5, 10, 20, 2207, 2939, 4414, 5878, 8828, 11035, 11756, 14695, 22070, 29390, 44140, 58780, 6486373, 12972746, 25945492, 32431865, 64863730, 129727460]

約数ペア:

[(1, 129727460), (2, 64863730), (4, 32431865), (5, 25945492), (10, 12972746), (20, 6486373), (2207, 58780), (2939, 44140), (4414, 29390), (5878, 22070), (8828, 14695), (11035, 11756)]