26438000

素因数分解:

$2^4\times 5^3\times {\mathrm{13219}}^1$

素因数の和:13242

約数の個数: 40

約数和(自身を含む): 63931920

約数和(自身を除く): 37493920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 13219, 26438, 52876, 66095, 105752, 132190, 211504, 264380, 330475, 528760, 660950, 1057520, 1321900, 1652375, 2643800, 3304750, 5287600, 6609500, 13219000, 26438000]

約数ペア:

[(1, 26438000), (2, 13219000), (4, 6609500), (5, 5287600), (8, 3304750), (10, 2643800), (16, 1652375), (20, 1321900), (25, 1057520), (40, 660950), (50, 528760), (80, 330475), (100, 264380), (125, 211504), (200, 132190), (250, 105752), (400, 66095), (500, 52876), (1000, 26438), (2000, 13219)]