85420000

素因数分解:

$2^5\times 5^4\times {\mathrm{4271}}^1$

素因数の和:4301

約数の個数: 60

約数和(自身を含む): 210195216

約数和(自身を除く): 124775216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 625, 800, 1000, 1250, 2000, 2500, 4000, 4271, 5000, 8542, 10000, 17084, 20000, 21355, 34168, 42710, 68336, 85420, 106775, 136672, 170840, 213550, 341680, 427100, 533875, 683360, 854200, 1067750, 1708400, 2135500, 2669375, 3416800, 4271000, 5338750, 8542000, 10677500, 17084000, 21355000, 42710000, 85420000]

約数ペア:

[(1, 85420000), (2, 42710000), (4, 21355000), (5, 17084000), (8, 10677500), (10, 8542000), (16, 5338750), (20, 4271000), (25, 3416800), (32, 2669375), (40, 2135500), (50, 1708400), (80, 1067750), (100, 854200), (125, 683360), (160, 533875), (200, 427100), (250, 341680), (400, 213550), (500, 170840), (625, 136672), (800, 106775), (1000, 85420), (1250, 68336), (2000, 42710), (2500, 34168), (4000, 21355), (4271, 20000), (5000, 17084), (8542, 10000)]