2005160950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{71741}}^1$

素因数の和:71809

約数の個数: 48

約数和(自身を含む): 4109955696

約数和(自身を除く): 2104794746

約数列:

[1, 2, 5, 10, 13, 25, 26, 43, 50, 65, 86, 130, 215, 325, 430, 559, 650, 1075, 1118, 2150, 2795, 5590, 13975, 27950, 71741, 143482, 358705, 717410, 932633, 1793525, 1865266, 3084863, 3587050, 4663165, 6169726, 9326330, 15424315, 23315825, 30848630, 40103219, 46631650, 77121575, 80206438, 154243150, 200516095, 401032190, 1002580475, 2005160950]

約数ペア:

[(1, 2005160950), (2, 1002580475), (5, 401032190), (10, 200516095), (13, 154243150), (25, 80206438), (26, 77121575), (43, 46631650), (50, 40103219), (65, 30848630), (86, 23315825), (130, 15424315), (215, 9326330), (325, 6169726), (430, 4663165), (559, 3587050), (650, 3084863), (1075, 1865266), (1118, 1793525), (2150, 932633), (2795, 717410), (5590, 358705), (13975, 143482), (27950, 71741)]