64256000

素因数分解:

$2^{11}\times 5^3\times {\mathrm{251}}^1$

素因数の和:288

約数の個数: 96

約数和(自身を含む): 160982640

約数和(自身を除く): 96726640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 251, 256, 320, 400, 500, 502, 512, 640, 800, 1000, 1004, 1024, 1255, 1280, 1600, 2000, 2008, 2048, 2510, 2560, 3200, 4000, 4016, 5020, 5120, 6275, 6400, 8000, 8032, 10040, 10240, 12550, 12800, 16000, 16064, 20080, 25100, 25600, 31375, 32000, 32128, 40160, 50200, 51200, 62750, 64000, 64256, 80320, 100400, 125500, 128000, 128512, 160640, 200800, 251000, 256000, 257024, 321280, 401600, 502000, 514048, 642560, 803200, 1004000, 1285120, 1606400, 2008000, 2570240, 3212800, 4016000, 6425600, 8032000, 12851200, 16064000, 32128000, 64256000]

約数ペア:

[(1, 64256000), (2, 32128000), (4, 16064000), (5, 12851200), (8, 8032000), (10, 6425600), (16, 4016000), (20, 3212800), (25, 2570240), (32, 2008000), (40, 1606400), (50, 1285120), (64, 1004000), (80, 803200), (100, 642560), (125, 514048), (128, 502000), (160, 401600), (200, 321280), (250, 257024), (251, 256000), (256, 251000), (320, 200800), (400, 160640), (500, 128512), (502, 128000), (512, 125500), (640, 100400), (800, 80320), (1000, 64256), (1004, 64000), (1024, 62750), (1255, 51200), (1280, 50200), (1600, 40160), (2000, 32128), (2008, 32000), (2048, 31375), (2510, 25600), (2560, 25100), (3200, 20080), (4000, 16064), (4016, 16000), (5020, 12800), (5120, 12550), (6275, 10240), (6400, 10040), (8000, 8032)]