52970000

素因数分解:

$2^4\times 5^4\times {\mathrm{5297}}^1$

素因数の和:5325

約数の個数: 50

約数和(自身を含む): 128269878

約数和(自身を除く): 75299878

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 2000, 2500, 5000, 5297, 10000, 10594, 21188, 26485, 42376, 52970, 84752, 105940, 132425, 211880, 264850, 423760, 529700, 662125, 1059400, 1324250, 2118800, 2648500, 3310625, 5297000, 6621250, 10594000, 13242500, 26485000, 52970000]

約数ペア:

[(1, 52970000), (2, 26485000), (4, 13242500), (5, 10594000), (8, 6621250), (10, 5297000), (16, 3310625), (20, 2648500), (25, 2118800), (40, 1324250), (50, 1059400), (80, 662125), (100, 529700), (125, 423760), (200, 264850), (250, 211880), (400, 132425), (500, 105940), (625, 84752), (1000, 52970), (1250, 42376), (2000, 26485), (2500, 21188), (5000, 10594), (5297, 10000)]