28118800

素因数分解:

$2^4\times 5^2\times {\mathrm{70297}}^1$

素因数の和:70315

約数の個数: 30

約数和(自身を含む): 67556378

約数和(自身を除く): 39437578

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 70297, 140594, 281188, 351485, 562376, 702970, 1124752, 1405940, 1757425, 2811880, 3514850, 5623760, 7029700, 14059400, 28118800]

約数ペア:

[(1, 28118800), (2, 14059400), (4, 7029700), (5, 5623760), (8, 3514850), (10, 2811880), (16, 1757425), (20, 1405940), (25, 1124752), (40, 702970), (50, 562376), (80, 351485), (100, 281188), (200, 140594), (400, 70297)]