39388840

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{9203}}^1$

素因数の和:9321

約数の個数: 32

約数和(自身を含む): 89462880

約数和(自身を除く): 50074040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 9203, 18406, 36812, 46015, 73624, 92030, 184060, 368120, 984721, 1969442, 3938884, 4923605, 7877768, 9847210, 19694420, 39388840]

約数ペア:

[(1, 39388840), (2, 19694420), (4, 9847210), (5, 7877768), (8, 4923605), (10, 3938884), (20, 1969442), (40, 984721), (107, 368120), (214, 184060), (428, 92030), (535, 73624), (856, 46015), (1070, 36812), (2140, 18406), (4280, 9203)]