38893240

素因数分解:

$2^3\times 5^1\times {\mathrm{661}}^1\times {\mathrm{1471}}^1$

素因数の和:2143

約数の個数: 32

約数和(自身を含む): 87701760

約数和(自身を除く): 48808520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 661, 1322, 1471, 2644, 2942, 3305, 5288, 5884, 6610, 7355, 11768, 13220, 14710, 26440, 29420, 58840, 972331, 1944662, 3889324, 4861655, 7778648, 9723310, 19446620, 38893240]

約数ペア:

[(1, 38893240), (2, 19446620), (4, 9723310), (5, 7778648), (8, 4861655), (10, 3889324), (20, 1944662), (40, 972331), (661, 58840), (1322, 29420), (1471, 26440), (2644, 14710), (2942, 13220), (3305, 11768), (5288, 7355), (5884, 6610)]