25894760

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{2903}}^1$

素因数の和:3137

約数の個数: 32

約数和(自身を含む): 58544640

約数和(自身を除く): 32649880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 2903, 4460, 5806, 8920, 11612, 14515, 23224, 29030, 58060, 116120, 647369, 1294738, 2589476, 3236845, 5178952, 6473690, 12947380, 25894760]

約数ペア:

[(1, 25894760), (2, 12947380), (4, 6473690), (5, 5178952), (8, 3236845), (10, 2589476), (20, 1294738), (40, 647369), (223, 116120), (446, 58060), (892, 29030), (1115, 23224), (1784, 14515), (2230, 11612), (2903, 8920), (4460, 5806)]