123249920

素因数分解:

$2^8\times 5^1\times {\mathrm{96289}}^1$

素因数の和:96310

約数の個数: 36

約数和(自身を含む): 295225140

約数和(自身を除く): 171975220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 96289, 192578, 385156, 481445, 770312, 962890, 1540624, 1925780, 3081248, 3851560, 6162496, 7703120, 12324992, 15406240, 24649984, 30812480, 61624960, 123249920]

約数ペア:

[(1, 123249920), (2, 61624960), (4, 30812480), (5, 24649984), (8, 15406240), (10, 12324992), (16, 7703120), (20, 6162496), (32, 3851560), (40, 3081248), (64, 1925780), (80, 1540624), (128, 962890), (160, 770312), (256, 481445), (320, 385156), (640, 192578), (1280, 96289)]