164344000

素因数分解:

$2^6\times 5^3\times {\mathrm{20543}}^1$

素因数の和:20570

約数の個数: 56

約数和(自身を含む): 407017728

約数和(自身を除く): 242673728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 160, 200, 250, 320, 400, 500, 800, 1000, 1600, 2000, 4000, 8000, 20543, 41086, 82172, 102715, 164344, 205430, 328688, 410860, 513575, 657376, 821720, 1027150, 1314752, 1643440, 2054300, 2567875, 3286880, 4108600, 5135750, 6573760, 8217200, 10271500, 16434400, 20543000, 32868800, 41086000, 82172000, 164344000]

約数ペア:

[(1, 164344000), (2, 82172000), (4, 41086000), (5, 32868800), (8, 20543000), (10, 16434400), (16, 10271500), (20, 8217200), (25, 6573760), (32, 5135750), (40, 4108600), (50, 3286880), (64, 2567875), (80, 2054300), (100, 1643440), (125, 1314752), (160, 1027150), (200, 821720), (250, 657376), (320, 513575), (400, 410860), (500, 328688), (800, 205430), (1000, 164344), (1600, 102715), (2000, 82172), (4000, 41086), (8000, 20543)]