8899684760

素因数分解:

$2^3\times 5^1\times {\mathrm{653}}^1\times {\mathrm{340723}}^1$

素因数の和:341387

約数の個数: 32

約数和(自身を含む): 20055014640

約数和(自身を除く): 11155329880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 653, 1306, 2612, 3265, 5224, 6530, 13060, 26120, 340723, 681446, 1362892, 1703615, 2725784, 3407230, 6814460, 13628920, 222492119, 444984238, 889968476, 1112460595, 1779936952, 2224921190, 4449842380, 8899684760]

約数ペア:

[(1, 8899684760), (2, 4449842380), (4, 2224921190), (5, 1779936952), (8, 1112460595), (10, 889968476), (20, 444984238), (40, 222492119), (653, 13628920), (1306, 6814460), (2612, 3407230), (3265, 2725784), (5224, 1703615), (6530, 1362892), (13060, 681446), (26120, 340723)]