2568256000

素因数分解:

$2^9\times 5^3\times {\mathrm{40129}}^1$

素因数の和:40162

約数の個数: 80

約数和(自身を含む): 6404266440

約数和(自身を除く): 3836010440

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, 512, 640, 800, 1000, 1280, 1600, 2000, 2560, 3200, 4000, 6400, 8000, 12800, 16000, 32000, 40129, 64000, 80258, 160516, 200645, 321032, 401290, 642064, 802580, 1003225, 1284128, 1605160, 2006450, 2568256, 3210320, 4012900, 5016125, 5136512, 6420640, 8025800, 10032250, 10273024, 12841280, 16051600, 20064500, 20546048, 25682560, 32103200, 40129000, 51365120, 64206400, 80258000, 102730240, 128412800, 160516000, 256825600, 321032000, 513651200, 642064000, 1284128000, 2568256000]

約数ペア:

[(1, 2568256000), (2, 1284128000), (4, 642064000), (5, 513651200), (8, 321032000), (10, 256825600), (16, 160516000), (20, 128412800), (25, 102730240), (32, 80258000), (40, 64206400), (50, 51365120), (64, 40129000), (80, 32103200), (100, 25682560), (125, 20546048), (128, 20064500), (160, 16051600), (200, 12841280), (250, 10273024), (256, 10032250), (320, 8025800), (400, 6420640), (500, 5136512), (512, 5016125), (640, 4012900), (800, 3210320), (1000, 2568256), (1280, 2006450), (1600, 1605160), (2000, 1284128), (2560, 1003225), (3200, 802580), (4000, 642064), (6400, 401290), (8000, 321032), (12800, 200645), (16000, 160516), (32000, 80258), (40129, 64000)]