2550400

素因数分解:

$2^7\times 5^2\times {\mathrm{797}}^1$

素因数の和:821

約数の個数: 48

約数和(自身を含む): 6308190

約数和(自身を除く): 3757790

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 640, 797, 800, 1594, 1600, 3188, 3200, 3985, 6376, 7970, 12752, 15940, 19925, 25504, 31880, 39850, 51008, 63760, 79700, 102016, 127520, 159400, 255040, 318800, 510080, 637600, 1275200, 2550400]

約数ペア:

[(1, 2550400), (2, 1275200), (4, 637600), (5, 510080), (8, 318800), (10, 255040), (16, 159400), (20, 127520), (25, 102016), (32, 79700), (40, 63760), (50, 51008), (64, 39850), (80, 31880), (100, 25504), (128, 19925), (160, 15940), (200, 12752), (320, 7970), (400, 6376), (640, 3985), (797, 3200), (800, 3188), (1594, 1600)]