142393040

素因数分解:

$2^4\times 5^1\times {\mathrm{1779913}}^1$

素因数の和:1779926

約数の個数: 20

約数和(自身を含む): 331064004

約数和(自身を除く): 188670964

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1779913, 3559826, 7119652, 8899565, 14239304, 17799130, 28478608, 35598260, 71196520, 142393040]

約数ペア:

[(1, 142393040), (2, 71196520), (4, 35598260), (5, 28478608), (8, 17799130), (10, 14239304), (16, 8899565), (20, 7119652), (40, 3559826), (80, 1779913)]