69660520

素因数分解:

$2^3\times 5^1\times {\mathrm{439}}^1\times {\mathrm{3967}}^1$

素因数の和:4417

約数の個数: 32

約数和(自身を含む): 157132800

約数和(自身を除く): 87472280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 439, 878, 1756, 2195, 3512, 3967, 4390, 7934, 8780, 15868, 17560, 19835, 31736, 39670, 79340, 158680, 1741513, 3483026, 6966052, 8707565, 13932104, 17415130, 34830260, 69660520]

約数ペア:

[(1, 69660520), (2, 34830260), (4, 17415130), (5, 13932104), (8, 8707565), (10, 6966052), (20, 3483026), (40, 1741513), (439, 158680), (878, 79340), (1756, 39670), (2195, 31736), (3512, 19835), (3967, 17560), (4390, 15868), (7934, 8780)]