416289320

素因数分解:

$2^3\times 5^1\times {\mathrm{479}}^1\times {\mathrm{21727}}^1$

素因数の和:22217

約数の個数: 32

約数和(自身を含む): 938649600

約数和(自身を除く): 522360280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 479, 958, 1916, 2395, 3832, 4790, 9580, 19160, 21727, 43454, 86908, 108635, 173816, 217270, 434540, 869080, 10407233, 20814466, 41628932, 52036165, 83257864, 104072330, 208144660, 416289320]

約数ペア:

[(1, 416289320), (2, 208144660), (4, 104072330), (5, 83257864), (8, 52036165), (10, 41628932), (20, 20814466), (40, 10407233), (479, 869080), (958, 434540), (1916, 217270), (2395, 173816), (3832, 108635), (4790, 86908), (9580, 43454), (19160, 21727)]