8081320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15541}}^1$

素因数の和:15565

約数の個数: 32

約数和(自身を含む): 19582920

約数和(自身を除く): 11501600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 15541, 31082, 62164, 77705, 124328, 155410, 202033, 310820, 404066, 621640, 808132, 1010165, 1616264, 2020330, 4040660, 8081320]

約数ペア:

[(1, 8081320), (2, 4040660), (4, 2020330), (5, 1616264), (8, 1010165), (10, 808132), (13, 621640), (20, 404066), (26, 310820), (40, 202033), (52, 155410), (65, 124328), (104, 77705), (130, 62164), (260, 31082), (520, 15541)]