12912352000

素因数分解:

$2^8\times 5^3\times {\mathrm{403511}}^1$

素因数の和:403542

約数の個数: 72

約数和(自身を含む): 32166362592

約数和(自身を除く): 19254010592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 320, 400, 500, 640, 800, 1000, 1280, 1600, 2000, 3200, 4000, 6400, 8000, 16000, 32000, 403511, 807022, 1614044, 2017555, 3228088, 4035110, 6456176, 8070220, 10087775, 12912352, 16140440, 20175550, 25824704, 32280880, 40351100, 50438875, 51649408, 64561760, 80702200, 100877750, 103298816, 129123520, 161404400, 201755500, 258247040, 322808800, 403511000, 516494080, 645617600, 807022000, 1291235200, 1614044000, 2582470400, 3228088000, 6456176000, 12912352000]

約数ペア:

[(1, 12912352000), (2, 6456176000), (4, 3228088000), (5, 2582470400), (8, 1614044000), (10, 1291235200), (16, 807022000), (20, 645617600), (25, 516494080), (32, 403511000), (40, 322808800), (50, 258247040), (64, 201755500), (80, 161404400), (100, 129123520), (125, 103298816), (128, 100877750), (160, 80702200), (200, 64561760), (250, 51649408), (256, 50438875), (320, 40351100), (400, 32280880), (500, 25824704), (640, 20175550), (800, 16140440), (1000, 12912352), (1280, 10087775), (1600, 8070220), (2000, 6456176), (3200, 4035110), (4000, 3228088), (6400, 2017555), (8000, 1614044), (16000, 807022), (32000, 403511)]