26218180

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{9431}}^1$

素因数の和:9579

約数の個数: 24

約数和(自身を含む): 55460160

約数和(自身を除く): 29241980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 9431, 18862, 37724, 47155, 94310, 188620, 1310909, 2621818, 5243636, 6554545, 13109090, 26218180]

約数ペア:

[(1, 26218180), (2, 13109090), (4, 6554545), (5, 5243636), (10, 2621818), (20, 1310909), (139, 188620), (278, 94310), (556, 47155), (695, 37724), (1390, 18862), (2780, 9431)]