1036720000

素因数分解:

$2^7\times 5^4\times {\mathrm{12959}}^1$

素因数の和:12993

約数の個数: 80

約数和(自身を含む): 2581048800

約数和(自身を除く): 1544328800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 320, 400, 500, 625, 640, 800, 1000, 1250, 1600, 2000, 2500, 3200, 4000, 5000, 8000, 10000, 12959, 16000, 20000, 25918, 40000, 51836, 64795, 80000, 103672, 129590, 207344, 259180, 323975, 414688, 518360, 647950, 829376, 1036720, 1295900, 1619875, 1658752, 2073440, 2591800, 3239750, 4146880, 5183600, 6479500, 8099375, 8293760, 10367200, 12959000, 16198750, 20734400, 25918000, 32397500, 41468800, 51836000, 64795000, 103672000, 129590000, 207344000, 259180000, 518360000, 1036720000]

約数ペア:

[(1, 1036720000), (2, 518360000), (4, 259180000), (5, 207344000), (8, 129590000), (10, 103672000), (16, 64795000), (20, 51836000), (25, 41468800), (32, 32397500), (40, 25918000), (50, 20734400), (64, 16198750), (80, 12959000), (100, 10367200), (125, 8293760), (128, 8099375), (160, 6479500), (200, 5183600), (250, 4146880), (320, 3239750), (400, 2591800), (500, 2073440), (625, 1658752), (640, 1619875), (800, 1295900), (1000, 1036720), (1250, 829376), (1600, 647950), (2000, 518360), (2500, 414688), (3200, 323975), (4000, 259180), (5000, 207344), (8000, 129590), (10000, 103672), (12959, 80000), (16000, 64795), (20000, 51836), (25918, 40000)]