40408264

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{388541}}^1$

素因数の和:388560

約数の個数: 16

約数和(自身を含む): 81593820

約数和(自身を除く): 41185556

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 388541, 777082, 1554164, 3108328, 5051033, 10102066, 20204132, 40408264]

約数ペア:

[(1, 40408264), (2, 20204132), (4, 10102066), (8, 5051033), (13, 3108328), (26, 1554164), (52, 777082), (104, 388541)]