205961440

素因数分解:

$2^5\times 5^1\times {\mathrm{331}}^1\times {\mathrm{3889}}^1$

素因数の和:4235

約数の個数: 48

約数和(自身を含む): 488179440

約数和(自身を除く): 282218000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 331, 662, 1324, 1655, 2648, 3310, 3889, 5296, 6620, 7778, 10592, 13240, 15556, 19445, 26480, 31112, 38890, 52960, 62224, 77780, 124448, 155560, 311120, 622240, 1287259, 2574518, 5149036, 6436295, 10298072, 12872590, 20596144, 25745180, 41192288, 51490360, 102980720, 205961440]

約数ペア:

[(1, 205961440), (2, 102980720), (4, 51490360), (5, 41192288), (8, 25745180), (10, 20596144), (16, 12872590), (20, 10298072), (32, 6436295), (40, 5149036), (80, 2574518), (160, 1287259), (331, 622240), (662, 311120), (1324, 155560), (1655, 124448), (2648, 77780), (3310, 62224), (3889, 52960), (5296, 38890), (6620, 31112), (7778, 26480), (10592, 19445), (13240, 15556)]