64516000

素因数分解:

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

素因数の和:279

約数の個数: 72

約数和(自身を含む): 159773796

約数和(自身を除く): 95257796

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 127, 160, 200, 250, 254, 400, 500, 508, 635, 800, 1000, 1016, 1270, 2000, 2032, 2540, 3175, 4000, 4064, 5080, 6350, 10160, 12700, 15875, 16129, 20320, 25400, 31750, 32258, 50800, 63500, 64516, 80645, 101600, 127000, 129032, 161290, 254000, 258064, 322580, 403225, 508000, 516128, 645160, 806450, 1290320, 1612900, 2016125, 2580640, 3225800, 4032250, 6451600, 8064500, 12903200, 16129000, 32258000, 64516000]

約数ペア:

[(1, 64516000), (2, 32258000), (4, 16129000), (5, 12903200), (8, 8064500), (10, 6451600), (16, 4032250), (20, 3225800), (25, 2580640), (32, 2016125), (40, 1612900), (50, 1290320), (80, 806450), (100, 645160), (125, 516128), (127, 508000), (160, 403225), (200, 322580), (250, 258064), (254, 254000), (400, 161290), (500, 129032), (508, 127000), (635, 101600), (800, 80645), (1000, 64516), (1016, 63500), (1270, 50800), (2000, 32258), (2032, 31750), (2540, 25400), (3175, 20320), (4000, 16129), (4064, 15875), (5080, 12700), (6350, 10160)]