12769880

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{2437}}^1$

素因数の和:2579

約数の個数: 32

約数和(自身を含む): 28963440

約数和(自身を除く): 16193560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2437, 2620, 4874, 5240, 9748, 12185, 19496, 24370, 48740, 97480, 319247, 638494, 1276988, 1596235, 2553976, 3192470, 6384940, 12769880]

約数ペア:

[(1, 12769880), (2, 6384940), (4, 3192470), (5, 2553976), (8, 1596235), (10, 1276988), (20, 638494), (40, 319247), (131, 97480), (262, 48740), (524, 24370), (655, 19496), (1048, 12185), (1310, 9748), (2437, 5240), (2620, 4874)]