13293560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{241}}^1$

素因数の和:456

約数の個数: 64

約数和(自身を含む): 34499520

約数和(自身を除く): 21205960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 197, 241, 280, 394, 482, 788, 964, 985, 1205, 1379, 1576, 1687, 1928, 1970, 2410, 2758, 3374, 3940, 4820, 5516, 6748, 6895, 7880, 8435, 9640, 11032, 13496, 13790, 16870, 27580, 33740, 47477, 55160, 67480, 94954, 189908, 237385, 332339, 379816, 474770, 664678, 949540, 1329356, 1661695, 1899080, 2658712, 3323390, 6646780, 13293560]

約数ペア:

[(1, 13293560), (2, 6646780), (4, 3323390), (5, 2658712), (7, 1899080), (8, 1661695), (10, 1329356), (14, 949540), (20, 664678), (28, 474770), (35, 379816), (40, 332339), (56, 237385), (70, 189908), (140, 94954), (197, 67480), (241, 55160), (280, 47477), (394, 33740), (482, 27580), (788, 16870), (964, 13790), (985, 13496), (1205, 11032), (1379, 9640), (1576, 8435), (1687, 7880), (1928, 6895), (1970, 6748), (2410, 5516), (2758, 4820), (3374, 3940)]