129202160

素因数分解:

$2^4\times 5^1\times {\mathrm{1615027}}^1$

素因数の和:1615040

約数の個数: 20

約数和(自身を含む): 300395208

約数和(自身を除く): 171193048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1615027, 3230054, 6460108, 8075135, 12920216, 16150270, 25840432, 32300540, 64601080, 129202160]

約数ペア:

[(1, 129202160), (2, 64601080), (4, 32300540), (5, 25840432), (8, 16150270), (10, 12920216), (16, 8075135), (20, 6460108), (40, 3230054), (80, 1615027)]