80018800

素因数分解:

$2^4\times 5^2\times {\mathrm{251}}^1\times {\mathrm{797}}^1$

素因数の和:1066

約数の個数: 60

約数和(自身を含む): 193253256

約数和(自身を除く): 113234456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 251, 400, 502, 797, 1004, 1255, 1594, 2008, 2510, 3188, 3985, 4016, 5020, 6275, 6376, 7970, 10040, 12550, 12752, 15940, 19925, 20080, 25100, 31880, 39850, 50200, 63760, 79700, 100400, 159400, 200047, 318800, 400094, 800188, 1000235, 1600376, 2000470, 3200752, 4000940, 5001175, 8001880, 10002350, 16003760, 20004700, 40009400, 80018800]

約数ペア:

[(1, 80018800), (2, 40009400), (4, 20004700), (5, 16003760), (8, 10002350), (10, 8001880), (16, 5001175), (20, 4000940), (25, 3200752), (40, 2000470), (50, 1600376), (80, 1000235), (100, 800188), (200, 400094), (251, 318800), (400, 200047), (502, 159400), (797, 100400), (1004, 79700), (1255, 63760), (1594, 50200), (2008, 39850), (2510, 31880), (3188, 25100), (3985, 20080), (4016, 19925), (5020, 15940), (6275, 12752), (6376, 12550), (7970, 10040)]