38537140

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{9781}}^1$

素因数の和:9987

約数の個数: 24

約数和(自身を含む): 81347112

約数和(自身を除く): 42809972

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 9781, 19562, 39124, 48905, 97810, 195620, 1926857, 3853714, 7707428, 9634285, 19268570, 38537140]

約数ペア:

[(1, 38537140), (2, 19268570), (4, 9634285), (5, 7707428), (10, 3853714), (20, 1926857), (197, 195620), (394, 97810), (788, 48905), (985, 39124), (1970, 19562), (3940, 9781)]