12996438640

素因数分解:

$2^4\times 5^1\times {\mathrm{251}}^1\times {\mathrm{617}}^1\times {\mathrm{1049}}^1$

素因数の和:1930

約数の個数: 80

約数和(自身を含む): 30415240800

約数和(自身を除く): 17418802160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251, 502, 617, 1004, 1049, 1234, 1255, 2008, 2098, 2468, 2510, 3085, 4016, 4196, 4936, 5020, 5245, 6170, 8392, 9872, 10040, 10490, 12340, 16784, 20080, 20980, 24680, 41960, 49360, 83920, 154867, 263299, 309734, 526598, 619468, 647233, 774335, 1053196, 1238936, 1294466, 1316495, 1548670, 2106392, 2477872, 2588932, 2632990, 3097340, 3236165, 4212784, 5177864, 5265980, 6194680, 6472330, 10355728, 10531960, 12389360, 12944660, 21063920, 25889320, 51778640, 162455483, 324910966, 649821932, 812277415, 1299643864, 1624554830, 2599287728, 3249109660, 6498219320, 12996438640]

約数ペア:

[(1, 12996438640), (2, 6498219320), (4, 3249109660), (5, 2599287728), (8, 1624554830), (10, 1299643864), (16, 812277415), (20, 649821932), (40, 324910966), (80, 162455483), (251, 51778640), (502, 25889320), (617, 21063920), (1004, 12944660), (1049, 12389360), (1234, 10531960), (1255, 10355728), (2008, 6472330), (2098, 6194680), (2468, 5265980), (2510, 5177864), (3085, 4212784), (4016, 3236165), (4196, 3097340), (4936, 2632990), (5020, 2588932), (5245, 2477872), (6170, 2106392), (8392, 1548670), (9872, 1316495), (10040, 1294466), (10490, 1238936), (12340, 1053196), (16784, 774335), (20080, 647233), (20980, 619468), (24680, 526598), (41960, 309734), (49360, 263299), (83920, 154867)]