5405240

素因数分解:

$2^3\times 5^1\times {\mathrm{135131}}^1$

素因数の和:135142

約数の個数: 16

約数和(自身を含む): 12161880

約数和(自身を除く): 6756640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 135131, 270262, 540524, 675655, 1081048, 1351310, 2702620, 5405240]

約数ペア:

[(1, 5405240), (2, 2702620), (4, 1351310), (5, 1081048), (8, 675655), (10, 540524), (20, 270262), (40, 135131)]