5162800

素因数分解:

$2^4\times 5^2\times {\mathrm{12907}}^1$

素因数の和:12925

約数の個数: 30

約数和(自身を含む): 12404588

約数和(自身を除く): 7241788

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 12907, 25814, 51628, 64535, 103256, 129070, 206512, 258140, 322675, 516280, 645350, 1032560, 1290700, 2581400, 5162800]

約数ペア:

[(1, 5162800), (2, 2581400), (4, 1290700), (5, 1032560), (8, 645350), (10, 516280), (16, 322675), (20, 258140), (25, 206512), (40, 129070), (50, 103256), (80, 64535), (100, 51628), (200, 25814), (400, 12907)]