55071640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{105907}}^1$

素因数の和:105931

約数の個数: 32

約数和(自身を含む): 133444080

約数和(自身を除く): 78372440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 105907, 211814, 423628, 529535, 847256, 1059070, 1376791, 2118140, 2753582, 4236280, 5507164, 6883955, 11014328, 13767910, 27535820, 55071640]

約数ペア:

[(1, 55071640), (2, 27535820), (4, 13767910), (5, 11014328), (8, 6883955), (10, 5507164), (13, 4236280), (20, 2753582), (26, 2118140), (40, 1376791), (52, 1059070), (65, 847256), (104, 529535), (130, 423628), (260, 211814), (520, 105907)]