16393840

素因数分解:

$2^4\times 5^1\times {\mathrm{204923}}^1$

素因数の和:204936

約数の個数: 20

約数和(自身を含む): 38115864

約数和(自身を除く): 21722024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 204923, 409846, 819692, 1024615, 1639384, 2049230, 3278768, 4098460, 8196920, 16393840]

約数ペア:

[(1, 16393840), (2, 8196920), (4, 4098460), (5, 3278768), (8, 2049230), (10, 1639384), (16, 1024615), (20, 819692), (40, 409846), (80, 204923)]