55990.0000000

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:185

約数の個数: 32

約数和(自身を含む): 7185024

約数和(自身を除く): 2100919

約数列:

[1, 5, 13, 17, 43, 65, 85, 107, 215, 221, 535, 559, 731, 1105, 1391, 1819, 2795, 3655, 4601, 6955, 9095, 9503, 23005, 23647, 47515, 59813, 78217, 118235, 299065, 391085, 1016821, 5084105]

約数ペア:

[(1, 5084105), (5, 1016821), (13, 391085), (17, 299065), (43, 118235), (65, 78217), (85, 59813), (107, 47515), (215, 23647), (221, 23005), (535, 9503), (559, 9095), (731, 6955), (1105, 4601), (1391, 3655), (1819, 2795)]