20314000

素因数分解:

$2^4\times 5^3\times 7^1\times {\mathrm{1451}}^1$

素因数の和:1481

約数の個数: 80

約数和(自身を含む): 56174976

約数和(自身を除く): 35860976

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 125, 140, 175, 200, 250, 280, 350, 400, 500, 560, 700, 875, 1000, 1400, 1451, 1750, 2000, 2800, 2902, 3500, 5804, 7000, 7255, 10157, 11608, 14000, 14510, 20314, 23216, 29020, 36275, 40628, 50785, 58040, 72550, 81256, 101570, 116080, 145100, 162512, 181375, 203140, 253925, 290200, 362750, 406280, 507850, 580400, 725500, 812560, 1015700, 1269625, 1451000, 2031400, 2539250, 2902000, 4062800, 5078500, 10157000, 20314000]

約数ペア:

[(1, 20314000), (2, 10157000), (4, 5078500), (5, 4062800), (7, 2902000), (8, 2539250), (10, 2031400), (14, 1451000), (16, 1269625), (20, 1015700), (25, 812560), (28, 725500), (35, 580400), (40, 507850), (50, 406280), (56, 362750), (70, 290200), (80, 253925), (100, 203140), (112, 181375), (125, 162512), (140, 145100), (175, 116080), (200, 101570), (250, 81256), (280, 72550), (350, 58040), (400, 50785), (500, 40628), (560, 36275), (700, 29020), (875, 23216), (1000, 20314), (1400, 14510), (1451, 14000), (1750, 11608), (2000, 10157), (2800, 7255), (2902, 7000), (3500, 5804)]