16859120

素因数分解:

$2^4\times 5^1\times {\mathrm{210739}}^1$

素因数の和:210752

約数の個数: 20

約数和(自身を含む): 39197640

約数和(自身を除く): 22338520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 210739, 421478, 842956, 1053695, 1685912, 2107390, 3371824, 4214780, 8429560, 16859120]

約数ペア:

[(1, 16859120), (2, 8429560), (4, 4214780), (5, 3371824), (8, 2107390), (10, 1685912), (16, 1053695), (20, 842956), (40, 421478), (80, 210739)]