78887668880

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2011}}^1\times {\mathrm{10433}}^1$

素因数の和:12504

約数の個数: 80

約数和(自身を含む): 187427361024

約数和(自身を除く): 108539692144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 2011, 3760, 4022, 8044, 10055, 10433, 16088, 20110, 20866, 32176, 40220, 41732, 52165, 80440, 83464, 94517, 104330, 160880, 166928, 189034, 208660, 378068, 417320, 472585, 490351, 756136, 834640, 945170, 980702, 1512272, 1890340, 1961404, 2451755, 3780680, 3922808, 4903510, 7561360, 7845616, 9807020, 19614040, 20980763, 39228080, 41961526, 83923052, 104903815, 167846104, 209807630, 335692208, 419615260, 839230520, 986095861, 1678461040, 1972191722, 3944383444, 4930479305, 7888766888, 9860958610, 15777533776, 19721917220, 39443834440, 78887668880]

約数ペア:

[(1, 78887668880), (2, 39443834440), (4, 19721917220), (5, 15777533776), (8, 9860958610), (10, 7888766888), (16, 4930479305), (20, 3944383444), (40, 1972191722), (47, 1678461040), (80, 986095861), (94, 839230520), (188, 419615260), (235, 335692208), (376, 209807630), (470, 167846104), (752, 104903815), (940, 83923052), (1880, 41961526), (2011, 39228080), (3760, 20980763), (4022, 19614040), (8044, 9807020), (10055, 7845616), (10433, 7561360), (16088, 4903510), (20110, 3922808), (20866, 3780680), (32176, 2451755), (40220, 1961404), (41732, 1890340), (52165, 1512272), (80440, 980702), (83464, 945170), (94517, 834640), (104330, 756136), (160880, 490351), (166928, 472585), (189034, 417320), (208660, 378068)]