12651380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3929}}^1$

素因数の和:3968

約数の個数: 48

約数和(自身を含む): 31691520

約数和(自身を除く): 19040140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 3929, 7858, 15716, 19645, 27503, 39290, 55006, 78580, 90367, 110012, 137515, 180734, 275030, 361468, 451835, 550060, 632569, 903670, 1265138, 1807340, 2530276, 3162845, 6325690, 12651380]

約数ペア:

[(1, 12651380), (2, 6325690), (4, 3162845), (5, 2530276), (7, 1807340), (10, 1265138), (14, 903670), (20, 632569), (23, 550060), (28, 451835), (35, 361468), (46, 275030), (70, 180734), (92, 137515), (115, 110012), (140, 90367), (161, 78580), (230, 55006), (322, 39290), (460, 27503), (644, 19645), (805, 15716), (1610, 7858), (3220, 3929)]