20513468000

素因数分解:

$2^5\times 5^3\times {\mathrm{563}}^1\times {\mathrm{9109}}^1$

素因数の和:9697

約数の個数: 96

約数和(自身を含む): 50496657120

約数和(自身を除く): 29983189120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 563, 800, 1000, 1126, 2000, 2252, 2815, 4000, 4504, 5630, 9008, 9109, 11260, 14075, 18016, 18218, 22520, 28150, 36436, 45040, 45545, 56300, 70375, 72872, 90080, 91090, 112600, 140750, 145744, 182180, 225200, 227725, 281500, 291488, 364360, 450400, 455450, 563000, 728720, 910900, 1126000, 1138625, 1457440, 1821800, 2252000, 2277250, 3643600, 4554500, 5128367, 7287200, 9109000, 10256734, 18218000, 20513468, 25641835, 36436000, 41026936, 51283670, 82053872, 102567340, 128209175, 164107744, 205134680, 256418350, 410269360, 512836700, 641045875, 820538720, 1025673400, 1282091750, 2051346800, 2564183500, 4102693600, 5128367000, 10256734000, 20513468000]

約数ペア:

[(1, 20513468000), (2, 10256734000), (4, 5128367000), (5, 4102693600), (8, 2564183500), (10, 2051346800), (16, 1282091750), (20, 1025673400), (25, 820538720), (32, 641045875), (40, 512836700), (50, 410269360), (80, 256418350), (100, 205134680), (125, 164107744), (160, 128209175), (200, 102567340), (250, 82053872), (400, 51283670), (500, 41026936), (563, 36436000), (800, 25641835), (1000, 20513468), (1126, 18218000), (2000, 10256734), (2252, 9109000), (2815, 7287200), (4000, 5128367), (4504, 4554500), (5630, 3643600), (9008, 2277250), (9109, 2252000), (11260, 1821800), (14075, 1457440), (18016, 1138625), (18218, 1126000), (22520, 910900), (28150, 728720), (36436, 563000), (45040, 455450), (45545, 450400), (56300, 364360), (70375, 291488), (72872, 281500), (90080, 227725), (91090, 225200), (112600, 182180), (140750, 145744)]