25388900

素因数分解:

$2^2\times 5^2\times {\mathrm{307}}^1\times {\mathrm{827}}^1$

素因数の和:1148

約数の個数: 36

約数和(自身を含む): 55340208

約数和(自身を除く): 29951308

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 307, 614, 827, 1228, 1535, 1654, 3070, 3308, 4135, 6140, 7675, 8270, 15350, 16540, 20675, 30700, 41350, 82700, 253889, 507778, 1015556, 1269445, 2538890, 5077780, 6347225, 12694450, 25388900]

約数ペア:

[(1, 25388900), (2, 12694450), (4, 6347225), (5, 5077780), (10, 2538890), (20, 1269445), (25, 1015556), (50, 507778), (100, 253889), (307, 82700), (614, 41350), (827, 30700), (1228, 20675), (1535, 16540), (1654, 15350), (3070, 8270), (3308, 7675), (4135, 6140)]