72038800

素因数分解:

$2^4\times 5^2\times {\mathrm{180097}}^1$

素因数の和:180115

約数の個数: 30

約数和(自身を含む): 173074178

約数和(自身を除く): 101035378

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 180097, 360194, 720388, 900485, 1440776, 1800970, 2881552, 3601940, 4502425, 7203880, 9004850, 14407760, 18009700, 36019400, 72038800]

約数ペア:

[(1, 72038800), (2, 36019400), (4, 18009700), (5, 14407760), (8, 9004850), (10, 7203880), (16, 4502425), (20, 3601940), (25, 2881552), (40, 1800970), (50, 1440776), (80, 900485), (100, 720388), (200, 360194), (400, 180097)]