4016000

素因数分解:

$2^7\times 5^3\times {\mathrm{251}}^1$

素因数の和:280

約数の個数: 64

約数和(自身を含む): 10024560

約数和(自身を除く): 6008560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 251, 320, 400, 500, 502, 640, 800, 1000, 1004, 1255, 1600, 2000, 2008, 2510, 3200, 4000, 4016, 5020, 6275, 8000, 8032, 10040, 12550, 16000, 16064, 20080, 25100, 31375, 32128, 40160, 50200, 62750, 80320, 100400, 125500, 160640, 200800, 251000, 401600, 502000, 803200, 1004000, 2008000, 4016000]

約数ペア:

[(1, 4016000), (2, 2008000), (4, 1004000), (5, 803200), (8, 502000), (10, 401600), (16, 251000), (20, 200800), (25, 160640), (32, 125500), (40, 100400), (50, 80320), (64, 62750), (80, 50200), (100, 40160), (125, 32128), (128, 31375), (160, 25100), (200, 20080), (250, 16064), (251, 16000), (320, 12550), (400, 10040), (500, 8032), (502, 8000), (640, 6275), (800, 5020), (1000, 4016), (1004, 4000), (1255, 3200), (1600, 2510), (2000, 2008)]