25306040

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{2837}}^1$

素因数の和:3071

約数の個数: 32

約数和(自身を含む): 57214080

約数和(自身を除く): 31908040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 2837, 4460, 5674, 8920, 11348, 14185, 22696, 28370, 56740, 113480, 632651, 1265302, 2530604, 3163255, 5061208, 6326510, 12653020, 25306040]

約数ペア:

[(1, 25306040), (2, 12653020), (4, 6326510), (5, 5061208), (8, 3163255), (10, 2530604), (20, 1265302), (40, 632651), (223, 113480), (446, 56740), (892, 28370), (1115, 22696), (1784, 14185), (2230, 11348), (2837, 8920), (4460, 5674)]