1113040

素因数分解:

$2^4\times 5^1\times {\mathrm{13913}}^1$

素因数の和:13926

約数の個数: 20

約数和(自身を含む): 2588004

約数和(自身を除く): 1474964

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 13913, 27826, 55652, 69565, 111304, 139130, 222608, 278260, 556520, 1113040]

約数ペア:

[(1, 1113040), (2, 556520), (4, 278260), (5, 222608), (8, 139130), (10, 111304), (16, 69565), (20, 55652), (40, 27826), (80, 13913)]