12496161340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{109481}}^1$

素因数の和:109942

約数の個数: 48

約数和(自身を含む): 28325183040

約数和(自身を除く): 15829021700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 439, 878, 1756, 2195, 4390, 5707, 8780, 11414, 22828, 28535, 57070, 109481, 114140, 218962, 437924, 547405, 1094810, 1423253, 2189620, 2846506, 5693012, 7116265, 14232530, 28465060, 48062159, 96124318, 192248636, 240310795, 480621590, 624808067, 961243180, 1249616134, 2499232268, 3124040335, 6248080670, 12496161340]

約数ペア:

[(1, 12496161340), (2, 6248080670), (4, 3124040335), (5, 2499232268), (10, 1249616134), (13, 961243180), (20, 624808067), (26, 480621590), (52, 240310795), (65, 192248636), (130, 96124318), (260, 48062159), (439, 28465060), (878, 14232530), (1756, 7116265), (2195, 5693012), (4390, 2846506), (5707, 2189620), (8780, 1423253), (11414, 1094810), (22828, 547405), (28535, 437924), (57070, 218962), (109481, 114140)]