64135000

素因数分解:

$2^3\times 5^4\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:254

約数の個数: 80

約数和(自身を含む): 152951040

約数和(自身を除く): 88816040

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 101, 125, 127, 200, 202, 250, 254, 404, 500, 505, 508, 625, 635, 808, 1000, 1010, 1016, 1250, 1270, 2020, 2500, 2525, 2540, 3175, 4040, 5000, 5050, 5080, 6350, 10100, 12625, 12700, 12827, 15875, 20200, 25250, 25400, 25654, 31750, 50500, 51308, 63125, 63500, 64135, 79375, 101000, 102616, 126250, 127000, 128270, 158750, 252500, 256540, 317500, 320675, 505000, 513080, 635000, 641350, 1282700, 1603375, 2565400, 3206750, 6413500, 8016875, 12827000, 16033750, 32067500, 64135000]

約数ペア:

[(1, 64135000), (2, 32067500), (4, 16033750), (5, 12827000), (8, 8016875), (10, 6413500), (20, 3206750), (25, 2565400), (40, 1603375), (50, 1282700), (100, 641350), (101, 635000), (125, 513080), (127, 505000), (200, 320675), (202, 317500), (250, 256540), (254, 252500), (404, 158750), (500, 128270), (505, 127000), (508, 126250), (625, 102616), (635, 101000), (808, 79375), (1000, 64135), (1010, 63500), (1016, 63125), (1250, 51308), (1270, 50500), (2020, 31750), (2500, 25654), (2525, 25400), (2540, 25250), (3175, 20200), (4040, 15875), (5000, 12827), (5050, 12700), (5080, 12625), (6350, 10100)]