254895040

素因数分解:

$2^6\times 5^1\times {\mathrm{617}}^1\times {\mathrm{1291}}^1$

素因数の和:1925

約数の個数: 56

約数和(自身を含む): 608423472

約数和(自身を除く): 353528432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 617, 1234, 1291, 2468, 2582, 3085, 4936, 5164, 6170, 6455, 9872, 10328, 12340, 12910, 19744, 20656, 24680, 25820, 39488, 41312, 49360, 51640, 82624, 98720, 103280, 197440, 206560, 413120, 796547, 1593094, 3186188, 3982735, 6372376, 7965470, 12744752, 15930940, 25489504, 31861880, 50979008, 63723760, 127447520, 254895040]

約数ペア:

[(1, 254895040), (2, 127447520), (4, 63723760), (5, 50979008), (8, 31861880), (10, 25489504), (16, 15930940), (20, 12744752), (32, 7965470), (40, 6372376), (64, 3982735), (80, 3186188), (160, 1593094), (320, 796547), (617, 413120), (1234, 206560), (1291, 197440), (2468, 103280), (2582, 98720), (3085, 82624), (4936, 51640), (5164, 49360), (6170, 41312), (6455, 39488), (9872, 25820), (10328, 24680), (12340, 20656), (12910, 19744)]