51012800

素因数分解:

$2^6\times 5^2\times {\mathrm{31883}}^1$

素因数の和:31905

約数の個数: 42

約数和(自身を含む): 125527308

約数和(自身を除く): 74514508

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 31883, 63766, 127532, 159415, 255064, 318830, 510128, 637660, 797075, 1020256, 1275320, 1594150, 2040512, 2550640, 3188300, 5101280, 6376600, 10202560, 12753200, 25506400, 51012800]

約数ペア:

[(1, 51012800), (2, 25506400), (4, 12753200), (5, 10202560), (8, 6376600), (10, 5101280), (16, 3188300), (20, 2550640), (25, 2040512), (32, 1594150), (40, 1275320), (50, 1020256), (64, 797075), (80, 637660), (100, 510128), (160, 318830), (200, 255064), (320, 159415), (400, 127532), (800, 63766), (1600, 31883)]