70880000

素因数分解:

$2^8\times 5^4\times {\mathrm{443}}^1$

素因数の和:479

約数の個数: 90

約数和(自身を含む): 177196404

約数和(自身を除く): 106316404

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 320, 400, 443, 500, 625, 640, 800, 886, 1000, 1250, 1280, 1600, 1772, 2000, 2215, 2500, 3200, 3544, 4000, 4430, 5000, 6400, 7088, 8000, 8860, 10000, 11075, 14176, 16000, 17720, 20000, 22150, 28352, 32000, 35440, 40000, 44300, 55375, 56704, 70880, 80000, 88600, 110750, 113408, 141760, 160000, 177200, 221500, 276875, 283520, 354400, 443000, 553750, 567040, 708800, 886000, 1107500, 1417600, 1772000, 2215000, 2835200, 3544000, 4430000, 7088000, 8860000, 14176000, 17720000, 35440000, 70880000]

約数ペア:

[(1, 70880000), (2, 35440000), (4, 17720000), (5, 14176000), (8, 8860000), (10, 7088000), (16, 4430000), (20, 3544000), (25, 2835200), (32, 2215000), (40, 1772000), (50, 1417600), (64, 1107500), (80, 886000), (100, 708800), (125, 567040), (128, 553750), (160, 443000), (200, 354400), (250, 283520), (256, 276875), (320, 221500), (400, 177200), (443, 160000), (500, 141760), (625, 113408), (640, 110750), (800, 88600), (886, 80000), (1000, 70880), (1250, 56704), (1280, 55375), (1600, 44300), (1772, 40000), (2000, 35440), (2215, 32000), (2500, 28352), (3200, 22150), (3544, 20000), (4000, 17720), (4430, 16000), (5000, 14176), (6400, 11075), (7088, 10000), (8000, 8860)]