16388560

素因数分解:

$2^4\times 5^1\times {\mathrm{204857}}^1$

素因数の和:204870

約数の個数: 20

約数和(自身を含む): 38103588

約数和(自身を除く): 21715028

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 204857, 409714, 819428, 1024285, 1638856, 2048570, 3277712, 4097140, 8194280, 16388560]

約数ペア:

[(1, 16388560), (2, 8194280), (4, 4097140), (5, 3277712), (8, 2048570), (10, 1638856), (16, 1024285), (20, 819428), (40, 409714), (80, 204857)]