51882800

素因数分解:

$2^4\times 5^2\times {\mathrm{129707}}^1$

素因数の和:129725

約数の個数: 30

約数和(自身を含む): 124649388

約数和(自身を除く): 72766588

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 129707, 259414, 518828, 648535, 1037656, 1297070, 2075312, 2594140, 3242675, 5188280, 6485350, 10376560, 12970700, 25941400, 51882800]

約数ペア:

[(1, 51882800), (2, 25941400), (4, 12970700), (5, 10376560), (8, 6485350), (10, 5188280), (16, 3242675), (20, 2594140), (25, 2075312), (40, 1297070), (50, 1037656), (80, 648535), (100, 518828), (200, 259414), (400, 129707)]