28113700

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{6857}}^1$

素因数の和:6912

約数の個数: 36

約数和(自身を含む): 62503812

約数和(自身を除く): 34390112

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 2050, 4100, 6857, 13714, 27428, 34285, 68570, 137140, 171425, 281137, 342850, 562274, 685700, 1124548, 1405685, 2811370, 5622740, 7028425, 14056850, 28113700]

約数ペア:

[(1, 28113700), (2, 14056850), (4, 7028425), (5, 5622740), (10, 2811370), (20, 1405685), (25, 1124548), (41, 685700), (50, 562274), (82, 342850), (100, 281137), (164, 171425), (205, 137140), (410, 68570), (820, 34285), (1025, 27428), (2050, 13714), (4100, 6857)]