13609840

素因数分解:

$2^4\times 5^1\times {\mathrm{170123}}^1$

素因数の和:170136

約数の個数: 20

約数和(自身を含む): 31643064

約数和(自身を除く): 18033224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 170123, 340246, 680492, 850615, 1360984, 1701230, 2721968, 3402460, 6804920, 13609840]

約数ペア:

[(1, 13609840), (2, 6804920), (4, 3402460), (5, 2721968), (8, 1701230), (10, 1360984), (16, 850615), (20, 680492), (40, 340246), (80, 170123)]