25381580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{181297}}^1$

素因数の和:181313

約数の個数: 24

約数和(自身を含む): 60916128

約数和(自身を除く): 35534548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 181297, 362594, 725188, 906485, 1269079, 1812970, 2538158, 3625940, 5076316, 6345395, 12690790, 25381580]

約数ペア:

[(1, 25381580), (2, 12690790), (4, 6345395), (5, 5076316), (7, 3625940), (10, 2538158), (14, 1812970), (20, 1269079), (28, 906485), (35, 725188), (70, 362594), (140, 181297)]