64015040

素因数分解:

$2^6\times 5^1\times {\mathrm{251}}^1\times {\mathrm{797}}^1$

素因数の和:1065

約数の個数: 56

約数和(自身を含む): 153235152

約数和(自身を除く): 89220112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 251, 320, 502, 797, 1004, 1255, 1594, 2008, 2510, 3188, 3985, 4016, 5020, 6376, 7970, 8032, 10040, 12752, 15940, 16064, 20080, 25504, 31880, 40160, 51008, 63760, 80320, 127520, 200047, 255040, 400094, 800188, 1000235, 1600376, 2000470, 3200752, 4000940, 6401504, 8001880, 12803008, 16003760, 32007520, 64015040]

約数ペア:

[(1, 64015040), (2, 32007520), (4, 16003760), (5, 12803008), (8, 8001880), (10, 6401504), (16, 4000940), (20, 3200752), (32, 2000470), (40, 1600376), (64, 1000235), (80, 800188), (160, 400094), (251, 255040), (320, 200047), (502, 127520), (797, 80320), (1004, 63760), (1255, 51008), (1594, 40160), (2008, 31880), (2510, 25504), (3188, 20080), (3985, 16064), (4016, 15940), (5020, 12752), (6376, 10040), (7970, 8032)]