12968080

素因数分解:

$2^4\times 5^1\times {\mathrm{173}}^1\times {\mathrm{937}}^1$

素因数の和:1123

約数の個数: 40

約数和(自身を含む): 30357432

約数和(自身を除く): 17389352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 173, 346, 692, 865, 937, 1384, 1730, 1874, 2768, 3460, 3748, 4685, 6920, 7496, 9370, 13840, 14992, 18740, 37480, 74960, 162101, 324202, 648404, 810505, 1296808, 1621010, 2593616, 3242020, 6484040, 12968080]

約数ペア:

[(1, 12968080), (2, 6484040), (4, 3242020), (5, 2593616), (8, 1621010), (10, 1296808), (16, 810505), (20, 648404), (40, 324202), (80, 162101), (173, 74960), (346, 37480), (692, 18740), (865, 14992), (937, 13840), (1384, 9370), (1730, 7496), (1874, 6920), (2768, 4685), (3460, 3748)]