1880452520

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{528217}}^1$

素因数の和:528317

約数の個数: 32

約数和(自身を含む): 4278565800

約数和(自身を除く): 2398113280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 528217, 1056434, 2112868, 2641085, 4225736, 5282170, 10564340, 21128680, 47011313, 94022626, 188045252, 235056565, 376090504, 470113130, 940226260, 1880452520]

約数ペア:

[(1, 1880452520), (2, 940226260), (4, 470113130), (5, 376090504), (8, 235056565), (10, 188045252), (20, 94022626), (40, 47011313), (89, 21128680), (178, 10564340), (356, 5282170), (445, 4225736), (712, 2641085), (890, 2112868), (1780, 1056434), (3560, 528217)]