127623040

素因数分解:

$2^7\times 5^1\times {\mathrm{199411}}^1$

素因数の和:199430

約数の個数: 32

約数和(自身を含む): 305100360

約数和(自身を除く): 177477320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 199411, 398822, 797644, 997055, 1595288, 1994110, 3190576, 3988220, 6381152, 7976440, 12762304, 15952880, 25524608, 31905760, 63811520, 127623040]

約数ペア:

[(1, 127623040), (2, 63811520), (4, 31905760), (5, 25524608), (8, 15952880), (10, 12762304), (16, 7976440), (20, 6381152), (32, 3988220), (40, 3190576), (64, 1994110), (80, 1595288), (128, 997055), (160, 797644), (320, 398822), (640, 199411)]