163264000

素因数分解:

$2^9\times 5^3\times {\mathrm{2551}}^1$

素因数の和:2584

約数の個数: 80

約数和(自身を含む): 407268576

約数和(自身を除く): 244004576

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, 2551, 2560, 3200, 4000, 5102, 6400, 8000, 10204, 12755, 12800, 16000, 20408, 25510, 32000, 40816, 51020, 63775, 64000, 81632, 102040, 127550, 163264, 204080, 255100, 318875, 326528, 408160, 510200, 637750, 653056, 816320, 1020400, 1275500, 1306112, 1632640, 2040800, 2551000, 3265280, 4081600, 5102000, 6530560, 8163200, 10204000, 16326400, 20408000, 32652800, 40816000, 81632000, 163264000]

約数ペア:

[(1, 163264000), (2, 81632000), (4, 40816000), (5, 32652800), (8, 20408000), (10, 16326400), (16, 10204000), (20, 8163200), (25, 6530560), (32, 5102000), (40, 4081600), (50, 3265280), (64, 2551000), (80, 2040800), (100, 1632640), (125, 1306112), (128, 1275500), (160, 1020400), (200, 816320), (250, 653056), (256, 637750), (320, 510200), (400, 408160), (500, 326528), (512, 318875), (640, 255100), (800, 204080), (1000, 163264), (1280, 127550), (1600, 102040), (2000, 81632), (2551, 64000), (2560, 63775), (3200, 51020), (4000, 40816), (5102, 32000), (6400, 25510), (8000, 20408), (10204, 16000), (12755, 12800)]