78008960

素因数分解:

$2^7\times 5^1\times {\mathrm{121889}}^1$

素因数の和:121908

約数の個数: 32

約数和(自身を含む): 186491700

約数和(自身を除く): 108482740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 121889, 243778, 487556, 609445, 975112, 1218890, 1950224, 2437780, 3900448, 4875560, 7800896, 9751120, 15601792, 19502240, 39004480, 78008960]

約数ペア:

[(1, 78008960), (2, 39004480), (4, 19502240), (5, 15601792), (8, 9751120), (10, 7800896), (16, 4875560), (20, 3900448), (32, 2437780), (40, 1950224), (64, 1218890), (80, 975112), (128, 609445), (160, 487556), (320, 243778), (640, 121889)]