12298680920

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5040443}}^1$

素因数の和:5040515

約数の個数: 32

約数和(自身を含む): 28125677520

約数和(自身を除く): 15826996600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 5040443, 10080886, 20161772, 25202215, 40323544, 50404430, 100808860, 201617720, 307467023, 614934046, 1229868092, 1537335115, 2459736184, 3074670230, 6149340460, 12298680920]

約数ペア:

[(1, 12298680920), (2, 6149340460), (4, 3074670230), (5, 2459736184), (8, 1537335115), (10, 1229868092), (20, 614934046), (40, 307467023), (61, 201617720), (122, 100808860), (244, 50404430), (305, 40323544), (488, 25202215), (610, 20161772), (1220, 10080886), (2440, 5040443)]