1340000

素因数分解:

$2^5\times 5^4\times {\mathrm{67}}^1$

素因数の和:97

約数の個数: 60

約数和(自身を含む): 3345804

約数和(自身を除く): 2005804

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 67, 80, 100, 125, 134, 160, 200, 250, 268, 335, 400, 500, 536, 625, 670, 800, 1000, 1072, 1250, 1340, 1675, 2000, 2144, 2500, 2680, 3350, 4000, 5000, 5360, 6700, 8375, 10000, 10720, 13400, 16750, 20000, 26800, 33500, 41875, 53600, 67000, 83750, 134000, 167500, 268000, 335000, 670000, 1340000]

約数ペア:

[(1, 1340000), (2, 670000), (4, 335000), (5, 268000), (8, 167500), (10, 134000), (16, 83750), (20, 67000), (25, 53600), (32, 41875), (40, 33500), (50, 26800), (67, 20000), (80, 16750), (100, 13400), (125, 10720), (134, 10000), (160, 8375), (200, 6700), (250, 5360), (268, 5000), (335, 4000), (400, 3350), (500, 2680), (536, 2500), (625, 2144), (670, 2000), (800, 1675), (1000, 1340), (1072, 1250)]