39038840

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{22697}}^1$

素因数の和:22751

約数の個数: 32

約数和(自身を含む): 89884080

約数和(自身を除く): 50845240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 22697, 45394, 90788, 113485, 181576, 226970, 453940, 907880, 975971, 1951942, 3903884, 4879855, 7807768, 9759710, 19519420, 39038840]

約数ペア:

[(1, 39038840), (2, 19519420), (4, 9759710), (5, 7807768), (8, 4879855), (10, 3903884), (20, 1951942), (40, 975971), (43, 907880), (86, 453940), (172, 226970), (215, 181576), (344, 113485), (430, 90788), (860, 45394), (1720, 22697)]