51460480

素因数分解:

$2^7\times 5^1\times {\mathrm{80407}}^1$

素因数の和:80426

約数の個数: 32

約数和(自身を含む): 123024240

約数和(自身を除く): 71563760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 80407, 160814, 321628, 402035, 643256, 804070, 1286512, 1608140, 2573024, 3216280, 5146048, 6432560, 10292096, 12865120, 25730240, 51460480]

約数ペア:

[(1, 51460480), (2, 25730240), (4, 12865120), (5, 10292096), (8, 6432560), (10, 5146048), (16, 3216280), (20, 2573024), (32, 1608140), (40, 1286512), (64, 804070), (80, 643256), (128, 402035), (160, 321628), (320, 160814), (640, 80407)]