13238120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47279}}^1$

素因数の和:47297

約数の個数: 32

約数和(自身を含む): 34041600

約数和(自身を除く): 20803480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 47279, 94558, 189116, 236395, 330953, 378232, 472790, 661906, 945580, 1323812, 1654765, 1891160, 2647624, 3309530, 6619060, 13238120]

約数ペア:

[(1, 13238120), (2, 6619060), (4, 3309530), (5, 2647624), (7, 1891160), (8, 1654765), (10, 1323812), (14, 945580), (20, 661906), (28, 472790), (35, 378232), (40, 330953), (56, 236395), (70, 189116), (140, 94558), (280, 47279)]