12642880

素因数分解:

$2^6\times 5^1\times {\mathrm{39509}}^1$

素因数の和:39526

約数の個数: 28

約数和(自身を含む): 30106620

約数和(自身を除く): 17463740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 39509, 79018, 158036, 197545, 316072, 395090, 632144, 790180, 1264288, 1580360, 2528576, 3160720, 6321440, 12642880]

約数ペア:

[(1, 12642880), (2, 6321440), (4, 3160720), (5, 2528576), (8, 1580360), (10, 1264288), (16, 790180), (20, 632144), (32, 395090), (40, 316072), (64, 197545), (80, 158036), (160, 79018), (320, 39509)]