15728120

素因数分解:

$2^3\times 5^1\times {\mathrm{393203}}^1$

素因数の和:393214

約数の個数: 16

約数和(自身を含む): 35388360

約数和(自身を除く): 19660240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 393203, 786406, 1572812, 1966015, 3145624, 3932030, 7864060, 15728120]

約数ペア:

[(1, 15728120), (2, 7864060), (4, 3932030), (5, 3145624), (8, 1966015), (10, 1572812), (20, 786406), (40, 393203)]