3212800

素因数分解:

$2^9\times 5^2\times {\mathrm{251}}^1$

素因数の和:279

約数の個数: 60

約数和(自身を含む): 7991676

約数和(自身を除く): 4778876

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 251, 256, 320, 400, 502, 512, 640, 800, 1004, 1255, 1280, 1600, 2008, 2510, 2560, 3200, 4016, 5020, 6275, 6400, 8032, 10040, 12550, 12800, 16064, 20080, 25100, 32128, 40160, 50200, 64256, 80320, 100400, 128512, 160640, 200800, 321280, 401600, 642560, 803200, 1606400, 3212800]

約数ペア:

[(1, 3212800), (2, 1606400), (4, 803200), (5, 642560), (8, 401600), (10, 321280), (16, 200800), (20, 160640), (25, 128512), (32, 100400), (40, 80320), (50, 64256), (64, 50200), (80, 40160), (100, 32128), (128, 25100), (160, 20080), (200, 16064), (251, 12800), (256, 12550), (320, 10040), (400, 8032), (502, 6400), (512, 6275), (640, 5020), (800, 4016), (1004, 3200), (1255, 2560), (1280, 2510), (1600, 2008)]