27884000

素因数分解:

$2^5\times 5^3\times {\mathrm{6971}}^1$

素因数の和:6996

約数の個数: 48

約数和(自身を含む): 68520816

約数和(自身を除く): 40636816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 6971, 13942, 27884, 34855, 55768, 69710, 111536, 139420, 174275, 223072, 278840, 348550, 557680, 697100, 871375, 1115360, 1394200, 1742750, 2788400, 3485500, 5576800, 6971000, 13942000, 27884000]

約数ペア:

[(1, 27884000), (2, 13942000), (4, 6971000), (5, 5576800), (8, 3485500), (10, 2788400), (16, 1742750), (20, 1394200), (25, 1115360), (32, 871375), (40, 697100), (50, 557680), (80, 348550), (100, 278840), (125, 223072), (160, 174275), (200, 139420), (250, 111536), (400, 69710), (500, 55768), (800, 34855), (1000, 27884), (2000, 13942), (4000, 6971)]