2016125000

素因数分解:

$2^3\times 5^6\times {\mathrm{127}}^2$

素因数の和:290

約数の個数: 84

約数和(自身を含む): 4762732005

約数和(自身を除く): 2746607005

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 127, 200, 250, 254, 500, 508, 625, 635, 1000, 1016, 1250, 1270, 2500, 2540, 3125, 3175, 5000, 5080, 6250, 6350, 12500, 12700, 15625, 15875, 16129, 25000, 25400, 31250, 31750, 32258, 62500, 63500, 64516, 79375, 80645, 125000, 127000, 129032, 158750, 161290, 317500, 322580, 396875, 403225, 635000, 645160, 793750, 806450, 1587500, 1612900, 1984375, 2016125, 3175000, 3225800, 3968750, 4032250, 7937500, 8064500, 10080625, 15875000, 16129000, 20161250, 40322500, 50403125, 80645000, 100806250, 201612500, 252015625, 403225000, 504031250, 1008062500, 2016125000]

約数ペア:

[(1, 2016125000), (2, 1008062500), (4, 504031250), (5, 403225000), (8, 252015625), (10, 201612500), (20, 100806250), (25, 80645000), (40, 50403125), (50, 40322500), (100, 20161250), (125, 16129000), (127, 15875000), (200, 10080625), (250, 8064500), (254, 7937500), (500, 4032250), (508, 3968750), (625, 3225800), (635, 3175000), (1000, 2016125), (1016, 1984375), (1250, 1612900), (1270, 1587500), (2500, 806450), (2540, 793750), (3125, 645160), (3175, 635000), (5000, 403225), (5080, 396875), (6250, 322580), (6350, 317500), (12500, 161290), (12700, 158750), (15625, 129032), (15875, 127000), (16129, 125000), (25000, 80645), (25400, 79375), (31250, 64516), (31750, 63500), (32258, 62500)]