64384000

素因数分解:

$2^{10}\times 5^3\times {\mathrm{503}}^1$

素因数の和:538

約数の個数: 88

約数和(自身を含む): 160943328

約数和(自身を除く): 96559328

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, 503, 512, 640, 800, 1000, 1006, 1024, 1280, 1600, 2000, 2012, 2515, 2560, 3200, 4000, 4024, 5030, 5120, 6400, 8000, 8048, 10060, 12575, 12800, 16000, 16096, 20120, 25150, 25600, 32000, 32192, 40240, 50300, 62875, 64000, 64384, 80480, 100600, 125750, 128000, 128768, 160960, 201200, 251500, 257536, 321920, 402400, 503000, 515072, 643840, 804800, 1006000, 1287680, 1609600, 2012000, 2575360, 3219200, 4024000, 6438400, 8048000, 12876800, 16096000, 32192000, 64384000]

約数ペア:

[(1, 64384000), (2, 32192000), (4, 16096000), (5, 12876800), (8, 8048000), (10, 6438400), (16, 4024000), (20, 3219200), (25, 2575360), (32, 2012000), (40, 1609600), (50, 1287680), (64, 1006000), (80, 804800), (100, 643840), (125, 515072), (128, 503000), (160, 402400), (200, 321920), (250, 257536), (256, 251500), (320, 201200), (400, 160960), (500, 128768), (503, 128000), (512, 125750), (640, 100600), (800, 80480), (1000, 64384), (1006, 64000), (1024, 62875), (1280, 50300), (1600, 40240), (2000, 32192), (2012, 32000), (2515, 25600), (2560, 25150), (3200, 20120), (4000, 16096), (4024, 16000), (5030, 12800), (5120, 12575), (6400, 10060), (8000, 8048)]