16885840

素因数分解:

$2^4\times 5^1\times {\mathrm{211073}}^1$

素因数の和:211086

約数の個数: 20

約数和(自身を含む): 39259764

約数和(自身を除く): 22373924

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 211073, 422146, 844292, 1055365, 1688584, 2110730, 3377168, 4221460, 8442920, 16885840]

約数ペア:

[(1, 16885840), (2, 8442920), (4, 4221460), (5, 3377168), (8, 2110730), (10, 1688584), (16, 1055365), (20, 844292), (40, 422146), (80, 211073)]