121841920

素因数分解:

$2^8\times 5^1\times {\mathrm{95189}}^1$

素因数の和:95210

約数の個数: 36

約数和(自身を含む): 291852540

約数和(自身を除く): 170010620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 95189, 190378, 380756, 475945, 761512, 951890, 1523024, 1903780, 3046048, 3807560, 6092096, 7615120, 12184192, 15230240, 24368384, 30460480, 60920960, 121841920]

約数ペア:

[(1, 121841920), (2, 60920960), (4, 30460480), (5, 24368384), (8, 15230240), (10, 12184192), (16, 7615120), (20, 6092096), (32, 3807560), (40, 3046048), (64, 1903780), (80, 1523024), (128, 951890), (160, 761512), (256, 475945), (320, 380756), (640, 190378), (1280, 95189)]