103040720

素因数分解:

$2^4\times 5^1\times {\mathrm{1288009}}^1$

素因数の和:1288022

約数の個数: 20

約数和(自身を含む): 239569860

約数和(自身を除く): 136529140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1288009, 2576018, 5152036, 6440045, 10304072, 12880090, 20608144, 25760180, 51520360, 103040720]

約数ペア:

[(1, 103040720), (2, 51520360), (4, 25760180), (5, 20608144), (8, 12880090), (10, 10304072), (16, 6440045), (20, 5152036), (40, 2576018), (80, 1288009)]