27400960

素因数分解:

$2^8\times 5^1\times {\mathrm{21407}}^1$

素因数の和:21428

約数の個数: 36

約数和(自身を含む): 65636928

約数和(自身を除く): 38235968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 21407, 42814, 85628, 107035, 171256, 214070, 342512, 428140, 685024, 856280, 1370048, 1712560, 2740096, 3425120, 5480192, 6850240, 13700480, 27400960]

約数ペア:

[(1, 27400960), (2, 13700480), (4, 6850240), (5, 5480192), (8, 3425120), (10, 2740096), (16, 1712560), (20, 1370048), (32, 856280), (40, 685024), (64, 428140), (80, 342512), (128, 214070), (160, 171256), (256, 107035), (320, 85628), (640, 42814), (1280, 21407)]