12856622960

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{563}}^1\times {\mathrm{2179}}^1$

素因数の和:2886

約数の個数: 80

約数和(自身を含む): 30187175040

約数和(自身を除く): 17330552080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 563, 655, 1048, 1126, 1310, 2096, 2179, 2252, 2620, 2815, 4358, 4504, 5240, 5630, 8716, 9008, 10480, 10895, 11260, 17432, 21790, 22520, 34864, 43580, 45040, 73753, 87160, 147506, 174320, 285449, 295012, 368765, 570898, 590024, 737530, 1141796, 1180048, 1226777, 1427245, 1475060, 2283592, 2453554, 2854490, 2950120, 4567184, 4907108, 5708980, 5900240, 6133885, 9814216, 11417960, 12267770, 19628432, 22835920, 24535540, 49071080, 98142160, 160707787, 321415574, 642831148, 803538935, 1285662296, 1607077870, 2571324592, 3214155740, 6428311480, 12856622960]

約数ペア:

[(1, 12856622960), (2, 6428311480), (4, 3214155740), (5, 2571324592), (8, 1607077870), (10, 1285662296), (16, 803538935), (20, 642831148), (40, 321415574), (80, 160707787), (131, 98142160), (262, 49071080), (524, 24535540), (563, 22835920), (655, 19628432), (1048, 12267770), (1126, 11417960), (1310, 9814216), (2096, 6133885), (2179, 5900240), (2252, 5708980), (2620, 4907108), (2815, 4567184), (4358, 2950120), (4504, 2854490), (5240, 2453554), (5630, 2283592), (8716, 1475060), (9008, 1427245), (10480, 1226777), (10895, 1180048), (11260, 1141796), (17432, 737530), (21790, 590024), (22520, 570898), (34864, 368765), (43580, 295012), (45040, 285449), (73753, 174320), (87160, 147506)]