38997680

素因数分解:

$2^4\times 5^1\times {\mathrm{487471}}^1$

素因数の和:487484

約数の個数: 20

約数和(自身を含む): 90669792

約数和(自身を除く): 51672112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 487471, 974942, 1949884, 2437355, 3899768, 4874710, 7799536, 9749420, 19498840, 38997680]

約数ペア:

[(1, 38997680), (2, 19498840), (4, 9749420), (5, 7799536), (8, 4874710), (10, 3899768), (16, 2437355), (20, 1949884), (40, 974942), (80, 487471)]